|Search OER Commons, a repository of OER textbooks, activities, video, images, case studies, etc. Search by keyword, subject, material type, and education level.||Search the Open Textbook's Library's growing catalog of free, peer-reviewed, and openly-licensed textbooks. Explore the library's books to see if an open textbook fits your course's and students' needs.|
Open textbooks come in a variety of downloadable formats (PDF, ePub, .xml, .docx) and can be printed and bound inexpensively for students preferring a hard copy. The open licenses attached to these books give faculty the freedom to pick and choose the parts of a book(s) that they feel will best help students achieve the course learning outcomes.