A pioneer in the amazing science of electroencephalography and developer of the seculation provides the readers of this book with a fascinating field for speculation and penetration. From the orientation of the brain physiologist he examines the facts and concepts of evolution, learning, delinquency, sleep, etc....He tells the history of brain science, of theories that led to the experimenting to discover electric waves and their significances. His book is brilliant and fast-moving and brimming with the rich ideas of a pioneer at once exuberant and serious about his work. Intended as an ""intelligent popularizer"", this may cause many a general reader to reach for his thinking cap. The London Post is running three installments. The author has recently sold an article to Scientific American. The publishers are putting their push behind it- and the experience of the past, from Mathematics for the Millions on prove they can put over this type of book.