OpenStax textbooks are available for free in online and PDF formats, as well as in the OpenStax app. They are also available at a low cost in print.
To access your book:
1. Visit openstax.org
2. Hover over “Subjects” and select your discipline from the drop-down menu.

3. Click on the book you’d like to access.

4. Click on your preferred format on the left under the Get the book heading.
If you are an instructor, be sure to let us know that you’re using the book in your course by filling out our quick Adoption Form (https://openstax.org/adoption). You can direct students to their book's Details page in your syllabus and let them know that the online, app and PDF formats are free. It's that easy!