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 …

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

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

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Interested in learning more about OpenStax? We're an OER publisher on a mission to improve access to education by publishing free textbooks online.

5 days ago · OpenStax digital textbooks are free to access on openstax.org or as downloadable PDFs. For the screenshots below, we'll use OpenStax College Success as an example.

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