Athlete, magician, doctor, marketing genius, millionaire-A. C. Gilbert (1884-1962) was all of these, but how he really made his name was by refusing to grow up. In 1913, Gilbert poured his boyish enthusiasm and creativity into the invention of a new toy he christened the Erector set, and this ingenious gadget instantly took American boys by storm. In this superb new book, Bruce Watson unfolds the history and phenomenal legacy of one man and one amazing...