A Whack On The Side of The Head Author:Roger von Oech, Ph.D A Whack On The Side of The Head zeros in on 10 mental blocks that prevent you from being as innovative as you can be- and shows you what you can do to open them. Combining wisdom, tomfoolery, paradox, philosophy, and scientfic fact through stories, mental excerises and case histories, Roger Oech distills his experience as a creative thinking con... more »sultant for [many major US companies].« less