Open access texts are free to read online, often free to download, and may be available as a low cost print format option.
Many open access texts have a Creative Commons license that allow an instructor to alter the text for their course.
Strategies for finding open texts:
1. Try the ISBN search. for finding text alternatives.
2. Try searching across many OER repositories.
2. Check out the resources listed for your subject area below.
3. Ask a Librarian! We may be able to help you find open access texts beyond these collections.