Mr. Overstreet is a visionary thinker. Written in 1939 this book deals with keeping you mentally alive. He gives explanations on why we go mentally dead. From the get go he opens with an incident told largely in dialogue in Chapter 1 and takes you on a journey of the mind and how not to fall prey to negative and unwanted thinking. In this day and age it is a must read for those who are stuck in anti social behavior or rely too much on social mediums to fulfill their lives. Young and old alike will benefit from reading this book. It will gain and hold your interest from the first sentence to the last.