OpenStax offers free digital textbooks and affordable teaching technology for high school and college, helping educators save time and support student success.

Peer reviewed, openly licensed, and totally free online! OpenStax textbooks come with free, aligned student and instructor resources. Explore our library of resources and decide what titles are right for …

OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available subjects!

Science - OpenStax ... Science

Access free, peer-reviewed math textbooks and resources for students and instructors from OpenStax.

Study calculus online free by downloading volume 1 of OpenStax's college Calculus textbook and using our accompanying online resources.

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Learn about human anatomy and physiology online by downloading OpenStax's free Anatomy and Physiology 2e book and using our accompanying study guide.

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OpenStax offers free, high-quality resources for social sciences students.