I was required to purchase this book for my Masters of Architecture program. It has a good set of drawings and concise description of relative projects. I did however need to purchase "Key Contemporary Buildings: Plans, Sections and Elevations (Key Architecture Series)" for additional information and plans of one of the projects in this book. Combined, the two books have quite a bit of useful information, especially if trying to do a case study. The included CD was useful but don't expect the files to be pristine. You'll definitely need to touch them up and check line weights before just printing and using.
All and all, I think the book was worth the price and is a good addition to any Architectural library.