E-textbooks offer the same content as regular college textbooks. Still, in a digital format. 2 hours in the past, School students could find free textbooks through university libraries or sites similar to Project Gutenberg. 5 hours in the past Writer: College of Florida. Nine hours in the past, The open textbooks on this web page embody several titles revealed via Saylor Academy’s Open Textbook Challenge and a set of titles re-revealed by Saylor Academy in 2012.