The growing research on the whole expanse of human experience owes a big debt of gratitude to Stevenson’s lifelong, conscientious work. Readers interested in the many questions addressed by Stevenson will benefit from his very considerable knowledge and insights, but I would also recommend the book to graduate students in psychology and related areas, to counter the notion that the only way to increase our knowledge of the human condition is by tackling easy problems in a laboratory setting. Emily Williams Kelly has reminded us of Stevenson’s important contributions and of the challenges still facing those willing to research all of human experience