Check out the article I just wrote for the MassMATCH News Quarterly on free digital book sources: "An orientation to this dizzying world for everyone." This is a round up of resources for individuals with print disabilities as well as mainstream consumers. Along the way you'll learn a few things about play back devices and file types and all that confusing stuff. Read Digital Books: So Many (Free) Ways to Read at the MassMATCH Web site.