Born on a Blue Day: Inside the Extraordinary Mind of an Autistic Savant, Paperback - Daniel Tammet
He sees numbers as shapes, colors, and textures, and he can perform extraordinary calculations in his head.In 2004, he memorized and recited more than 22,000 digits of pi, setting a record. A journey into one of the most fascinating minds alive today--guided by the owner himself. Bestselling author Daniel Tammet (Thinking in Numbers) is virtually unique among people who have severe autistic disorders in that he is capable of living a fully independent life and able to explain what is happening inside his head.