An instructive and exciting book about the brain - an amazing instrument with inexhaustible and far from unraveled possibilities. Tracing human life from conception to death, the author discusses a wide range of topics: infancy and the meaning of parental behavior, puberty, gender identity, morality, aggression, free will, religiosity, memory, aging. Dick Swaab is an internationally renowned scientist for thirty years Head of the Netherlands Brain Institute; currently leads a group of researchers at the Netherlands Institute of Neuroscience. In the Netherlands, the book is a scientific bestseller (more than 300,000 copies have been sold since 2010). It has been translated into several foreign languages.