This book devours: Easy and exciting at the same time, it is a duel, a game of mirrors, the story of a meeting, one could speak of a dance, a duel with foil speckled. is intelligent, perceptive, one discovers the characters (Breuer, Freud, Nietzsche ....;) ideas, and ultimately, we want to read another book by the same author. I keep an unforgettable memory of an original book that makes accessible the birth of psychotherapy and the field of idées.C'est accessible to all of us and it reads almost like a "thriller"!