In 1896 the British physician William Pringle Morgan published an account of “Percy,” a “bright and intelligent boy, quick at games, and in no way inferior to others of his age.” Yet, in spite of his intelligence, Percy had great difficulty learning to read. Percy was one of the first children to be described as having word-blindness, better known today as dyslexia. In this first comprehensive history of dyslexia Philip Kirby and Margaret Snowling chart a journey that begins with Victorian medicine and continues to dyslexia’s current status as the most globally recognized specific...