Don't Make Me Think, Revisited is the third edition of Steve Krug's classic best-selling guide to intuitive navigation and information design. It is updated with fresh perspectives, new examples, and a chapter on mobile usability, but still retains its characteristic wit and practicality. It is highly recommended for all those working on web sites and is often cited as a must-read for web designers.
Is there an entry, which should be added to this list?