Do you have .epub versions of your books?

EPUB Format Support

With only a small percentage of OpenStax readers using the EPUB format (around 1 percent), and given the cost of maintaining these versions, we no longer offer EPUB downloads.

Available Textbook Formats

OpenStax provides the following formats:

• Online web view
• PDF
• DOCX
• Print

Finding Available Formats

To find which formats are available for your textbook, visit OpenStax.org.