If you're committed to shifting your curriculum to e-textbooks, consider trying free first. Here are the best sites for digital books that won't cost your students a dime. Here's a source for free ...

Adobe wants to help students accustomed to old-fashioned paper textbooks get over the transition to PDF textbooks. The company points out that its free reader for the digital format does a lot more ...

Picking out the perfect PDF reader can be strangely difficult. I mean, PDFs have been around for donkey's years now, and there are plenty of PDF readers out there to pick from. However, you'll usually ...