For Philip's 14th birthday, Hannah gave him Dale Carnegie's How to Win Friends and Influence People, which kicked off a life-long obsession with self-improvement. Over 16 years, Philip wrote 82 letters to Hannah describing every book, pop psych article, and method that he used-or abused. Dear Hannah is either a cautionary tale about self-improvement, or it is a filter for the 10% of self-help that may actually change your life.

"Philip Dhingra's letters to Hannah are a powerful exploration into the depths of self-help, personal-improvement, and life-transformation....