1. 01. English Non Fiction The world's best optical illusions / by Paraquin, Karl Heinz. Publication: New York : Sterling Pub. Co., 1977 . 96 p. : , Translation of: Schummelbilder. | First paperback ed. published under title: Optical illusion puzzles. | Includes index. 21 cm. Date:1977 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction The world's most challenging puzzles / by Townsend, Charles Barry. Publication: New York : Sterling Pub. Co., 1988 . 128 p. : , Includes index. 22 cm. Date:1988 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction Great critical thinking puzzles / by DiSpezio, Michael A. Publication: New York : Sterling Pub. Co., 1997 . 96 p. : , Includes index. 21 cm. Date:1997 Availability: Copies available: (1), Actions:
4. 01. English Non Fiction Almost perfect crimes : mini-mysteries for you to solve / by Conrad, Hy. Publication: New York : Sterling Pub. Co., 1995 . 96 p. : , Includes index. 21 cm. Date:1995 Availability: Copies available: (1), Actions:
5. 01. English Non Fiction Tricky Mindtrap puzzles : challenge the way you think & see / by Detective Shadow. Publication: New York : Sterling Pub., 2000 . 96 p. : , Includes index. 24 cm. Date:2000 Availability: Copies available: (1), Actions:
6. 01. English Non Fiction Power puzzles /   Publication: New York : Sterling Pub. Co., 2002 . 352 p. : 15 cm. Date:2002 Availability: Copies available: (1), Actions: