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Textbooks by Subject

Biology & Genetics


Animal Diversity by Rabotovoa (CC-BY)
BioFundamentals: Introductory Molecular Biology by Klymkowsky (CC-BY-NC-SA)
bullet-3 Biology by Avisar, et al. (CC-BY)
Biology by Boundless (CC-BY-SA)
Cell Biology and Genetics by Twesigye (CC-BY)
bullet-3 Cell and Molecular Biology by Bergtrom (CC-BY)
CK-12 Biology (CC-BY-SA)
CK-12 Biology I - Honors by Wilson, Brainard, Akre, and Wilkin (CC-BY-NC-SA)
Diversity of Algae and Plants by Tekere (CC-BY)
Ecology and Environment by Mworia (CC-BY)
Evolution Biology by Zulu (CC-BY)
bullet-3 Foundations of Biology by Scheiner and Scheiner (CC-BY-NC-ND)
Genes and Disease by Natioanal Center for Biotechnology Information (PD)
bullet-3 Heredity and Development by Moore (ACARR)
Human Physiology by Wikibooks (CC-BY-SA)
Inside the Cell – Biology by U.S. Department of Health and Human Services (PD)
Microbiology by Boundless (CC-BY-SA)
Microbiology and Mycology by Zulu (CC-BY)
Modern Biology by Carnegie Mellon University (CC-BY-NC-SA)
Molecular Biology Laboratory Manual by Randall  (CC-BY)
The New Genetics by The National Institute of General Medical Sciences (PD)
Nucleic Acids and Chromatin by OpenLearn (CC-BY-NC-SA)
Online Biology Book by Farabee (Custom License)
Physiology by Boundless (CC-BY-SA)
Plant and Animal Physiology by Rakotondradona (CC-BY)
Rediscovering Biology by Does, Johnson, and Thiel (Custom License) [Accessibility] 
The Structures of Life by The National Institue of General Medical Sciences (PD)
What Do Genes Do? by OpenLearn (CC-BY-NC)
What is Biodiversity by Ahlfinger, Gibbs, Harrison, Laverty, and Sterling (CC-BY)
What is the Genome Made of? by OpenLearn (CC-BY-NC)


Disclaimer: College Open Textbooks has not yet vetted all of the open textbooks on this list for quality or accuracy of the content. Peer reviews, if available, can be found through the [Review] link. Accessibility reviews, if available, can be found through the [Accessibility] link.
License Attributes: ACARR=Affordable Copyright All Rights Reserved.  BY=Open w/ Attribution.  CC=Creative Commons license.  GFDL=GNU Free Documentation License.  GGPL=GNU General Public License.  NC=Non-Commercial.  ND=No Derivative Works.  PD=Public Domain.  SA=Share Alike.