1995 - 100 Perceptual Puzzles a Stimulating and Delightful Collection of Puzzles and Mindbenders (Hardcover) ISBN-13: 9781566196734 ISBN-10: 1566196736 Genre: Humor & Entertainment 1 1976 - 100 Numerical Games a Dazzling and Stimulating Collection of Mindbenders Brainteasers and Puzzles (Paperback) ISBN-13: 9780760713945 ISBN-10: 0760713944 Genre: Humor & Entertainment 1 |