Most OER textbooks will have both online/webbook and PDF versions. The PDF versions of your open textbook contain the same text as the web-based versions. They may also contain:
The full PDF version of your textbook is similar to a book or eBook. It contains:
OER textbooks are free to access, use, and print in any of the formats listed above for students and faculty use for non-commercial and educational purposes. Please check with the Library if you have questions about licensing & copyright.