Open Textbooks

Open Stax and Lumen Learning offer free OER (Open Educational Resources) to the public. They both have offer free biology textbooks you can use to supplement your required text.

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When it comes to education, there should be no limits. Our high-quality educational tools give students access to the learning materials they need to succeed, at little to no cost. Because we don’t believe anything should come between students and their future.

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Co-founded by open-education visionary Dr. David Wiley and education-technology strategist Kim Thanos, Lumen Learning is dedicated to facilitating broad, successful adoption of OER.