Predictably Irrational by Dan Ariely is the latest book I’m reading. The book is very well written and is a easy read. Dan explains how humans make irrational decisions that aren’t irrational at all, and are in fact that irrational behavior is predictable. Dan uses MIT research studies to prove this. I would highly recommend this book to designers, and experience designers as by understanding irrational behavior you can convert a great percentage to the perfect usage scenario.