As part of the Textbook Affordability Project, the USF Libraries provide access to more than 466,000 ebooks. If a particular title isn't available, an order may be requested. Features unlimited simultaneous users, 12 major publishers (Wiley, Routledge, Oxford, Springer, etc). Search available titles at Ebooks for the Classroom
OpenStax includes an extensive collection of learning objects (pages) that are organized into text-like books.
Merlot II is a peer reviewed collection of more than 40,000 items