Information on advertising ebooks within a print collection:
This page was seeded with links from the resources for instructors by the Salem State University Center for Teaching Innovation.
To read about issues in choosing vendors, devices, content, and platforms:
http://en.wikipedia.org/wiki/Comparison_of_e-book_formats
For textbooks/courseware in electronic format, including open content for remixing and free materials:
Arxiv.org : Open access to [>700K] e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics
CaféScribe - an etext, social networking combination
Community College Consortium for Open Educational Resources
Some tools to create ebooks:
To convert formats, try http://www.zamzar.com/
CourseSmart provides a publication platform for hundreds of eTextbooks.
Thanks again to the Salem State University Center for Teaching Innovation!