Don't Make Me Think is a practical guide to usability testing from Steve Krug. This is a perfect book for anyone who wants to improve user interface design and conduct usability testing on a limited budget.
Trends & Issues in Instructional Design and Technology is Written by the leading figures in the field, this book clearly defines and describes the rapidly converging fields of instructional design, instructional technology, and performance technology.
The Handbook of Blended Learning is the most thorough book on blended learning on the market. Bonk and Graham compile successful blended practices dealing with innovative methods in a broad range of educational and training contexts through.

Apple Learning Interchange Searchable database of "thousands of Internet resources that can be valuable for teaching and learning"
MERLOT A free and open resource designed primarily for faculty and students in higher education. With a continually growing collection of online learning materials, assignments and reviews, MERLOT helps faculty enhance instruction.