Biology Books Online

Advection, Diffusion and Delivery over a Network
by Luke L. M. Heaton, at al. 2011, 54 pages, 2.8MB, PDF

Aging by Design
by Theodore Goldsmith, 2011, 49 pp, 870KB, PDF

by Yee Keung Wong (ed.), 2019, 89 pp, multiple PDF files

American Birds
by William Lovell Finley, 1907

American Forest Trees
by Henry H. Gibson, 1913, 744 pp, multiple formats

American Insects
by Vernon L. Kellogg, 1904

Animal Behaviour
by C. Lloyd Morgan, 1920, 355 pp, multiple formats

Animal Diversity
by Laurence Josephine Rabotovao, 2017, 137 pp, 3.3MB, PDF

Animal Experience
by Leon Niemoczynski, Stephanie Theodorou, 2017, 174 pp, online html

Animal Life
by B. Lindsay, 1909

Applied Biostatistical Analysis Using R
by Stephen B. Cox, 2013, 358 pp, online html

Applied Ecology
Wikibooks, 2010

Artificial Insemination in Farm Animals
edited by Milad Manafi, 2011, 300 pages, 6.5MB, PDF

Artificial Intelligence and Molecular Biology
by Lawrence Hunter, 1993, 480 pages, PDF

The Astrobiology Primer: An Outline of General Knowledge
by Lucas J. Mix, at al. 2006, 79 pages, 1.8MB, PDF

Baculovirus Molecular Biology
by George F Rohrmann, 2011

Bald Eagles in Alaska
by Bruce Wright (ed.), 2014, 546 pp, multiple formats

Bats in the Anthropocene: Conservation of Bats in a Changing World
by Christian C. Voigt, Tigga Kingston, 2016, 601 pp, 13MB, PDF

Beginners Botany
by L. H. Bailey, 1921

Behavioral Energetics: The Cost of Survival in Vertebrates
by Wayne P. Aspey, Sheldon I. Lustick, 1983, 318 pp, 20MB, PDF

Behavioral Genetics
by Catherine Baker, 2004, PDF

Biochemistry: An introduction
Wikipedia, 2013, online html

Biochemistry Laboratory Manual For Undergraduates
by Timea Gerczei, Scott Pattison, 2014, 174 pp, multiple PDF files

Biochemistry Online
by Henry Jakubowski, 2009

Biodefense in the Age of Synthetic Biology
National Academies Press, 2018, 189 pp, 2.9MB, PDF

by Adriano Sofo, 2011, 138 pp, 5.3MB, PDF

edited by Edward O. Wilson, Frances M. Peter, 1988, 521 pages, 14MB, PDF

Bioinformatics: An Introduction for Computer Scientists
by Jacques Cohen, 2004, 37 pp, 260KB, PDF

Biological Invasions in Changing Ecosystems
by J. Canning-Clode (ed.), 2015, 473 pp, multiple PDF files

Biology and its Makers
by William A. Locy, 1908, 514 pp, multiple formats

Biology: Answering the Big Questions of Life
by Rosalyn Hunter, 2012

The Bionarrative: The story of life and hope for the future
by Stephen Boyden, 2016, 172 pp, multiple formats

Birds in Flight
by W. P. Pycraft, 1922, 220 pp, multiple formats

Book of Monsters
by D. Fairchild, M.H. Fairchild, 1914

by Norman Taylor, 1922, 371 pp, multiple formats

Boundless Biology
Lumen Learning, 2017, 324 pp, online html

British Sea Birds
by Charles Dixon, 1896, 334 pp, multiple formats

Butterflies Worth Knowing
by Clarence M. Weed, 1922

The Butterfly Book
by William Jacob Holland, 1922

Biodiversity: The Dynamic Balance of the Planet
by Oscar Grillo (ed.), 2014, 378 pp, multiple PDF files

Bioinorganic Chemistry
by Bertini, Gray, Lippard, Valentine, 1994, 628 pages, 30MB, PDF

Biological Signal Analysis
by Ramaswamy Palaniappan, 2010, 137 pages, 4.1MB, PDF

OpenStax College, 2013, 1507 pp, multiple formats

Biology for Beginners
by Truman Jesse Moon, 1921

Biology Reference
Advameg, Inc. 2009

Biomimetics: Learning from Nature
edited by Amitava Mukherjee, 2010, 534 pages, 75MB, PDF

Bioscience and the Good Life
by Iain Brassington, 2013, 240 pp, online html

The Bird Book
by Chester A. Reed, 1915

Botany for Agricultural Students
by John Nathan Martin, 1919

Botany for Beginners
by Ernest Evans, 1899

Botany Online
by Alice Bergfeld, Rolf Bergmann, Peter v. Sengbusch, 2003

Botany: The Modern Study of Plants
by Marie Stopes, 1912, 104 pages, 14MB, PDF

British Birds in their Haunts
by C. A. Johns, 1938

Calculating the secrets of life: applications of the mathematical sciences in molecular biology
by Eric S. Lander, Michael S. Waterman, 1995, 309 pages, 6.2MB, PDF

Carbohydrates: Comprehensive Studies on Glycobiology and Glycotechnology
by Chuan-Fa Chang (ed.), 2012, 558 pp, 16MB, PDF

Cell Biology
Wikibooks, 2015, 97 pp, 3.6MB, PDF

Cell Culture
by Radwa Ali Mehanna (ed.), 2019, 237 pp, multiple PDF files

Cells: Molecules and Mechanisms
Axolotl Academic Publishing Co. 2010, PDF

Cellular and Molecular Neurobiology
by John H. Byrne, et al. 2012

Chemical Biology
edited by Deniz Ekinci, 2012, 444 pp, 19MB, PDF

The Chemistry of Microbiomes
National Academies Press, 2017, 132 pp, 5.7MB, PDF

The Chemistry of Plant Constituents
by Ole Gisvold, Charles H. Rogers, 1943

The Chemistry of Plant Life
by Roscoe Wilfred Thatcher, 1921

CK-12 Biology
by B. Akre, J. Brainard, N. Gray-Wilson, D. Wilkin, 2009, 984 pages, 71MB, PDF

CK-12 Life Science
CK-12 Foundation, 2009

Cockroaches: Ecology, Behavior, and Natural History
by W.J. Bell, L.M. Roth, C.A. Nalepa, 2007, 248 pp, multiple PDF files

Collecting and Preserving Insects and Arachnids
edited by I.M. Millar, V.M Uys, R.P. Urban, 1999, 112 pp, 3.9MB, PDF

Color Key to North American Birds
by Frank M. Chapman, 1912

The Common Spiders of the United States
by James Henry Emerton, 1902, 260 pp, multiple formats

Comparative Genomics
edited by Nicholas H. Bergman, 2007

The Complex World of Ants
by Vonnie D.C. Shields (ed.), 2018, 84 pp, multiple PDF files

Computational Biology and Applied Bioinformatics
by Heitor S. Lopes, Leonardo M. Cruz, 2011, 442 pp, 24MB, PDF

Computational Cognitive Neuroscience
by O'Reilly, Munakata, at al. 2012, 167 pp, 15 MB, PDF

Computational Genomics
by Ron Shamir, Roded Sharan, 2011, multiple PDF files

Computing Life
National Institute of Health, 2012, 24 pp, multiple formats

Concepts of Biology
by Samantha Fowler, et al., 2013, 267 pp, multiple formats

Conservation Biology for All
by Navjot S. Sodhi, Paul R. Ehrlich (eds.), 2010, 358 pp, 6.4MB, PDF

Crossing Over: The Basics of Evolution: workbook for teachers
by Edith Dempster, 2006, PDF

Curious Creatures in Zoology
by John Ashton, 1890, 388 pp, multiple formats

Data Mining in Medical and Biological Research
by Eugenia G. Giannopoulou, 2008, 320 pages, 15MB, ZIP/PDF

Deep Subsurface Microbiology
by Andreas Teske et al., 2015, 305 pp, multiple formats

The Descent of Man
by Charles Darwin, 2004

Developing Synaesthesia
by Nicolas Rothen, Julia Simner, Beat Meier, 2015, 173 pp, multiple formats

Dictionary of Ecology
by Herbert C. Hanson, 1962, 403 pages

Dictionary Of Invertebrate Zoology
by Armand R. Maggenti, 2005, 970 pp, 3.5MB, PDF

Diseases of Forest and Shade Trees of the United States
by George H. Hepting, 1971, 666 pp, 18MB, PDF

Diversity of Ecosystems
edited by Mahamane Ali, 2012, 484 pp, 24MB, PDF

DNA Replication: Current Advances
edited by Herve Seligmann, 2011, 694 pp, 31MB, PDF

DNA Replication in Eukaryotic Cells
by Melvin L. Depamphilis (ed.), 1996, 1058 pp, multiple PDF files

DNA Replication Origins in Microbial Genomes
by Feng Gao (ed.), 2016, 117 pp, multiple formats

DNA, Statistics and the Law: a cross-disciplinary approach to forensic inference
by Alex Biedermann (ed.), 2014, 40 pp, multiple formats

Dogs and All About Them
by Robert Leighton, 1910, 364 pp, multiple formats

Dr. Eleanor's Book of Common Ants
by Eleanor Spicer Rice, 2013, 142 pp, multiple formats

Dragons of the air: An account of extinct flying reptiles
by H. G. Seeley, 1901

Ecosystems and Human Well-Being: Wetlands and Water
World Resources Institute, 2005, 80 pp, 6.5MB, PDF

An Elementary Study of Insects
by Leonard Haseman, 1923

Elementary Zoology
by Vernon L. Kellogg, 1902

The Elements of Animal Biology
by Samuel J. Holmes, 1919, 428 pp, multiple formats

Elephant Seals: Population Ecology, Behavior, and Physiology
by B. J. Le Beouf , R. M. Laws, 1994

Environmental Biology
by Matthew R. Fisher (ed.), 2018, 350 pp, multiple formats

Enzyme Technology
by Martin F. Chaplin, Christopher Bucke, 1990

Essays on Wildlife Conservation
edited by Peter Moyle, et al. 2004

Essentials of Cell Biology
by C.M. O'Connor, J.U. Adams, 2010, online reading

Essentials of Genetics
by Heidi Chial, et al., 2009, online html

Essentials of Glycobiology
by Ajit Varki, Richard D. Cummings, Jeffrey D. Esko, 2008

Evolution and Philosophy: An Introduction
by John S. Wilkins, 1997

The Evolution of Aging
by Theodore C. Goldsmith, 2006, 166 pages, 1.5MB, PDF

Explanation of Terms Used in Entomology
by John B. Smith, 1906, 222 pp, multiple formats

Extinct and Vanishing Animals of The Old World
by Francis Harper, 1945, 878 pp, multiple formats

Extinct Monsters
by H. N. Hutchinson, 1897, 273 pp, multiple formats

Extreme Genetic Enginering: An Introduction to Synthetic Biology
by ETC Group, 2007, 72 pages, 1MB, PDF

Field and Woodland Plants
by William S. Furneaux, 1909, 383 pp, multiple formats

The First Book of Trees
by Maribelle Cormack, 1951

Flora of New York
Wikibooks, 2013, online html

Flowers of Mountain and Plain
by Edith S. Clements, 1920, 146 pp, multiple formats

Flowers of the Southwest Deserts
by Natt N. Dodge, 1954, 112 pp, multiple formats

Fluid Flow at Branching Junctions
by Taha Sochi, 2013, 50 pp, 430KB, PDF

Fungal Endophytes in Plants
by Gary A. Strobel (ed.), 2018, 244 pp, 32MB, PDF

General Biology
by Leonas Lancelot Burlingame, 1922, 616 pp, multiple formats

General Biology
by Paul Doerder, et al., 2013, 189 pp, 6.5MB, PDF

Genetic Engineering
by Idah Sithole-Niang, 2013, 128 pp, 3.3MB, PDF

The Genetical Theory of Natural Selection
by R. A. Fisher, 1930

Genetics and Biogenesis of Mitochondria and Chloroplasts
by C. William Birky, et al., 1975, 384 pp, 26MB, PDF

Genetics and Molecular Biology
by Robert Schleif, 1993, 715 pages, 5.5MB, PDF

Gliding Mammals: Taxonomy of Living and Extinct Species
by S.M Jackson, R.W. Thorington, Jr., 2012, 126 pp, 630KB, PDF

Gorillas and Chimpanzees
by R. L. Garner, 1896, 272 pp, multiple formats

Grasses: a handbook for use in the field and laboratory
by H. Marshall Ward, 1908, 222 pp, multiple formats

GRE Biochemistry, Cell and Molecular Biology Test Practice Book
Educational Testing Service, 2008, 66 pages, 1.4MB, PDF

GRE Biology Test Practice Book
by Educational Testing Service, 2008, 72 pages, 1.2MB, PDF

Guts and Brains: An Integrative Approach to the Hominin Record
by Wil Roebroeks (ed.), 2007, 278 pp, 8.5MB, PDF

Handbook of Medical Entomology
by O. A. Johanssen, W. A. Riley, 1915

Harper's Guide to Wild Flowers
by Caroline Alathea Stickney Creevey, 1912

Homeostasis and Higher Brain Function
by Patrick Dougherty, et al., 2012

An Illustrated Introduction to the Basic Biological Principles
by Simon Fu, 2007, 107 pages, 2.2MB, PDF

In the Light of Evolution: Volume VI: Brain and Behavior
by G.F. Striedter, J.C. Avise, F.J. Ayala (eds), 2013, 430 pp, 26MB, PDF

Insects and Diseases
by Rennie W. Doane, 1910

Insect Physiology and Ecology
by Vonnie D.C. Shields (ed.), 2017, 262 pp, multiple PDF files

Insects : Their Ways and Means of Living
by Robert Evans Snodgrass, 1930, 431 pages, 6.6MB, DJVU

Inside the Cell
by National Institutes of Health, 2005, 84 pages, 2.7MB, PDF

Intermediate Genetics
by Xiwen Cai

Introduction to Bioinformatics
by Sabu M. Thampi, 2009, 155 pages, 2.5MB, PDF

Introduction to Biology
by E. Lander, R. Weinberg, C. Gardel, 2004, PDF/HTML/MP4/MP3

Introduction to Cancer Biology
by Momna Hejmadi, 2009, 41 pages, 4MB, PDF

Introduction to Cognitive Neuroscience
by Iiro P. Jaaskelainen, 2012, 240 pp, 5.7MB, PDF

An Introduction to Computational Neuroscience
by Todd Troyer, 2005, 181 pp, 2.5MB, PDF

Introduction to Evolutionary Biology
by Chris Colby, 1995, 24 pp, 140KB, PDF

Introduction to Insects
Wikipedia, 2014, online html

Introduction to protein folding for physicists
by Pablo Echenique, 2007, 53 pages, PDF/PS

Introduction to Scientific Research Projects
by Graham Basten, 2010, 51 pages, 3.7MB, PDF

Justice and the Human Genome Project
by Timothy F. Murphy and Marc A. Lappe, 1994

Kimball's Biology Pages
by John W. Kimball, 2008

Kinetics for Bioscientist
by Peter Klappa, 2009, 221 pages, 9.1MB, PDF

Laboratory Exercises in Microbiology
by Joan Petersen, Susan McLaughlin, 2016, 195 pp, 4.1MB, PDF

Large Scale Data Handling in Biology
by Karol Kozak, 2010, 53 pages, 6.5MB, PDF

Lectures in Theoretical Biophysics
by K. Schulten and I. Kosztin, 2000, 211 pages, 3.1MB, PDF

The Life of Crustacea
by William Thomas Calman, 1911

Madame Curie Bioscience Database
Landes Bioscience, 2009

Mammals of Mount Rainier National Park
by R.K. Grater, M.K. Potts, 1949, 97 pp, multiple formats

Mammals of the Southwest Mountains and Mesas
by George Joyce Olin, 1961, 141 pp, multiple formats

Mass Spectrometry Application in Biology
by Greg Gorman (ed.), 2014, 252 pp, 10MB, PDF

Maternal Control of Development in Vertebrates
by Florence L. Marlow, 2010, 5.1MB, PDF

Mathematical Biology
by Jeffrey R. Chasnov, 2010, 115 pages, 1.5MB, PDF

Mathematics and Biology: The Interface, Challenges, and Opportunities
edited by Simon A. Levin, 2009

Mechanisms of Mitotic Chromosome Segregation
by J. Richard McIntosh (ed.), 2017, 342 pp, 24MB, PDF

Mechanosensitivity in Cells and Tissues
edited by Andre Kamkin, Irina Kiseleva, 2005

Medical Biochemistry
by Michael W. King, 2009

Meet the Invertebrates: Anemones, Octopuses, Spiders, Ants, and Others
by Katharine Rogers, 2014, 165 pp, multiple formats

by Carol Bernstein, Harris Bernstein (eds), 2013, 123 pp, 4.1MB, PDF

Metagenomics: Sequences from the Environment
National Library of Medicine, 2006

Methods of Behavior Analysis in Neuroscience
edited by Jerry J Buccafusco, 2009

Micro- and Nano-Transport of Biomolecules
by David Bakewell, 2009, 96 pages, 4.8MB, PDF

Microbial Ecology in States of Health and Disease
National Academies Press, 2014, 548 pp, 9.9MB, PDF

Molecular Biology
Web Books Publishing, 2009

The Molecular Biology of Plant Cells
edited by H. Smith, 1978

Molecular Biology Web Book
by Frank Lee, 2009, online html

Molecular Conformations
by Christopher Wood, 2010, 36 pp, 2.5MB, PDF

Motor Systems
by James Knierim, et al., 2012

Multiscale Simulation Methods in Molecular Sciences
edited by J. Grotendorst, N. Attig, S. Bluegel, D. Marx, 2009, PDF

Mushrooms of America, Edible and Poisonous
by Julius A. Palmer, 1885

Natural Computing and Beyond
by Yasuhiro Suzuki, Toshiyuki Nakagaki, 2013, 150 pp, multiple PDF files

Neocybernetics in Biological Systems
by Heikki Hyotyniemi, 2006, 272 pages, 2.8MB, PDF

Neural Plasticity and Memory: From Genes to Brain Imaging
edited by Federico Bermudez-Rattoni, 2007

The Neurobiology of Olfaction
edited by Anna Menini, 2010

Neurobiology of Sensation and Reward
edited by Jay A. Gottfried, 2011

edited by Oscar Alzate, 2010

Neutral and Charged Polymers at Interfaces
by Roland Netz, David Andelman, 2003, 130 pages, PDF/PS

The New Genetics
The National Institute of General Medical Sciences, 2006, 96 pages, 4.3MB, PDF

New Zealand Moths and Butterflies
by G. V. Hudson, 1898, 179 pp, multiple formats

On the Origin of Species
by Charles Darwin, 2001, 448 pages, 950KB, PDF

An On-Line Biology Book
by Mike J. Farabee, 2007

One Thousand American Fungi
by Charles McIlvaine, 1912

The Origin and Evolution of the Genetic Code
by Koji Tamura, 2018, 204 pp, 32MB, PDF

Our Insect Friends and Enemies
by John Bernhard Smith, 1909

edited by Mohammad Manjur Shah, 2012, 206, 22MB, PDF

by E. Rabinowitch, Govindjee, 1970, PDF

by Zvy Dubinsky, 2013, 371 pp, 18MB, PDF

The Photosynthesis of Carbon Compounds
by Melvin Calvin, James Alan Bassham, 1962

Physics of Adherent Cells
by Ulrich S. Schwarz, Samuel S. Safran, 2013, 58 pp, 3.8MB, PDF

Pioneers of Evolution from Thales to Huxley
by Edward Clodd, 1897

Plant Life of Southwestern Australia: Adaptations for Survival
by Philip K. Groom, Byron B. Lamont, 2015, 268 pp, multiple formats

Plant migration: the dynamics of geographic patterning in seed plant species
by Jonathan D. Sauer, 1988

Plant Proteomics
by Setsuko Komatsu, Zahed Hossain (eds), 2015, 246 pp, 13MB, PDF

Plants and Environment
edited by Hemanth KN. Vasanthaiah, Devaiah Kambiranda, 2011, 272 pp, 11MB, PDF

Pluripotent Stem Cells
by Deepa Bhartiya, Nibedita Lenka (eds), 2013, 628 pp, multiple PDF files

Polymerase Chain Reaction
edited by Patricia Hernandez-Rodriguez, 2012, 566 pp, 20MB, PDF

Population Genetics
by Kent Holsinger, 2008, PDF

Practical Biology
by W. M. Smallwood, 1916

Practical Botany
by F. Cavers, 1911

Practical Organic and Biochemistry
by R. Plimmer, 1918

The Practical Streambank Bioengineering Guide
by Gary Bentrup, 1998, 150 pages, 3.4MB, PDF

Practical Zoology
by Robert William Hegner, 1915

The Principles of Biology
by J.I. Hamaker, 1913, 486 pp, multiple formats

Principles of Field Biology and Ecology
by Allen H. Benton, 1958, 341 pp, online reading

Poisonous Dwellers of the Desert
by Natt Noyes Dodge, 1970, 53 pp, multiple formats

Probing Human Origins
by Morris Goodman, et al. 2002, 113 pp, 1.2MB, PDF

by Tung Luong, 2009, Wikibooks

Python course in Bioinformatics
by Katja Schuerer, Catherine Letondal, 2008, 192 pages, 810KB, PDF

A Quantitative Study of the Nocturnal Migration of Birds
by George H. Lowery, 1951

Rediscovering Biology
by Chris Tachibana, Andrea White, Norman A. Johnson, 2010, 203 pages, 17MB, PDF

The Renaissance of Science: The Story of the Cell and Biology
by Albert Martini, 2015, 551 pp, 220MB, PDF

RNA Interference
by Ibrokhim Y. Abdurakhmonov (ed.), 2016, 456 pp, multiple PDF files

The Science and Applications of Microbial Genomics
National Academies Press, 2013, 428 pp, 5.2MB, PDF

Sensory Systems
by Thomas Haslwanter, at al. 2012, 90 pp, 13MB, PDF

Sequence - Evolution - Function: Computational Approaches in Comparative Genomics
by Eugene V. Koonin, Michael Y. Galperin, 2002

Serotonin Receptors in Neurobiology
by Amitabha Chattopadhyay (ed.), 2005, 224 pp, online reading

Sexual Dimorphism
by Hiroshi Moriyama (ed.), 2013, 140 pp, 6.9MB, PDF

Simulation in Biology
by Jose Rodriguez, 2006, 40 pages, PDF/PS

Spiking Neuron Models: Single Neurons, Populations, Plasticity
by Wulfram Gerstner, Werner M. Kistler, 2002, 496 pp, online html

Statistical Genetics and Evolution of Quantitative Traits
by Richard A. Neher, Boris I. Shraiman, 2011, 23 pp, 840KB, PDF

Stochastic Models of Evolution in Genetics, Ecology and Linguistics
by R. A. Blythe, A. J. McKane, 2007, 60 pages, PDF/PS

Structural Biochemistry
Wikibooks, 2012

The Structures of Life
by National Institutes of Health, 2007, 66 pages, 6.8MB, PDF

Study Guide to the Science of Botany
by Eric Guinther, 2011

Teaching About Evolution and the Nature of Science
Working Group on Teaching Evolution, National Academy of Sciences, 1998

Territory in Bird Life
by H. Eliot Howard, 1920

Texas Fossils: An Amateur Collector's Handbook
by William H. Matthews III, 1984, 130 pp, multiple formats

Theory of Polymer Dynamics
by W. J. Briels, 1998

Thermophiles and Thermozymes
by Maria-Isabel Gonzalez-Siso, 2019, 200 pp, 2.7MB, PDF

Thinking Evolutionarily: Evolution Education Across the Life Sciences
by Jay B. Labov (ed.), 2012, 111 pp, 1.6MB, PDF

Through the microscope: A look at all things small
by Timothy Paustian, Gary Roberts, 2006

Tissue Engineering
edited by Daniel Eberli, 2010, 534 pages, 48MB, PDF

Todar's Online Textbook of Bacteriology
by Kenneth Todar, 2009

Topics in Conservation Biology
edited by Tony Povilitis, 2012, 110 pp, 2.2MB, PDF

Transcriptional Control of Neural Crest Development
by Brian L. Nelms, Patricia A. Labosky, 2010, online html

Translational Pain Research: From Mouse to Man
by Lawrence Kruger, Alan R. Light, 2010

Using Technology to Study Cellular and Molecular Biology
Biological Sciences Curriculum Study, 2005, 138 pp, 3.3MB, PDF

Venomous Arthropod Handbook
by Terry L. Biery, 1962, 58 pp, multiple formats

The Vertebrate Skeleton
by Sidney H. Reynolds, 1897, 592 pp, multiple formats

Viral Replication
by German Rosas-Acosta (ed.), 2013, 144 pp, 2.9MB, PDF

The Voyage of the Beagle
by Charles Darwin, 2001, 557 pages, 1.3MB, PDF

Whale Primer
by Theodore J. Walker, 1962, 62 pp, multiple formats

What is Life: Sub-cellular Physics of Live Matter
by Antti J. Niemi, 2014, 107 pp, 6.2MB, PDF

When Biospheres Collide: A History of NASA's Planetary Protection Programs
by Michael Meltzer, 2011

edited by Maria-Dolores Garcia, 2012, 206 pp, 22MB, PDF

Zoology: higher secondary - second year
by Kannaki Prabakaran, et al., 2005, 347 pp, 2.9MB, PDF