Mongabay has posted a major conservation biology textbook online -- for FREE.
Conservation Biology for All edited by Navjot S. Sodhi of the National University of Singapore and Paul R. Ehrlich of Stanford University, can now be accessed HERE, gratis. This comprehensive introduction to conversation biology is accessible to all readers and covers a range of important and basic topics such as balancing conversion and human needs, climate change, conservation planning, designing and analyzing conservation research, ecosystem services, endangered species management, extinctions, fire, habitat loss, and invasive species are covered.