Open Educational Resources are educational materials and resources offered freely and openly for anyone to use. In addition to this guide, we recommend you also check out a related OER site, Textbook Affordability at UMD.
"The Open Professionals Education Network (OPEN) provides free support and technical assistance to all grantees of the $2 billion Trade Adjustment Assistance Community College & Career Training (TAACCCT) grant program from the U.S. Department of Labor."
This video gives a quick tutorial on how to add a simple pdf textbook file to your course. This will allow students to access any online versions of textbooks you have provided.