1.
Giant Book of Mensa Mind Challenges
by Fernandez, J. J. Mendoza, P...
ISBN: 9781402710490
List Price: $5.98
2.
Hard-To-Solve Brainteasers Official American Mensa Puzzle Book
by Poniachik, Jaime, Poniachik...
ISBN: 9780806961538
List Price: $6.95