Ever since he was young, John Robison longed to connect with other people, but by the time he was a teenager, his odd habits--an inclination to blurt out non sequiturs, avoid eye contact, dismantle radios, and dig five-foot holes (and stick his younger brother, Augusten Burroughs, in them)--had earned him the label "social deviant." It was not until he was forty that he was diagnosed with a form of autism called Asperger's syndrome. That understanding transformed the way he saw himself--and the world.