Here you can buy a book on any system ever devised to beat casino odds. Owner Edna Luckman carries more than 4,000 gambling-related titles, including many out-of-print books, computer software, and videotapes. She describes her store as a place where "gamblers, writers, researchers, statisticians, and computer specialists can meet and exchange information." On request, knowledgeable clerks provide on-the-spot expert advice on handicapping the ponies and other aspects of sports betting. The store's motto is "knowledge is protection." Open Monday through Saturday from 9am until 5pm; closed Sunday.