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2.
Giant Book of Mensa Mind Challenges
by Marshall, Rod, Poniachik, J...
ISBN: 9780806920931
List Price: $12.95
4.
Hard-To-Solve Brainteasers Official American Mensa Puzzle Book
by Poniachik, Jaime, Poniachik...
ISBN: 9780806961538
List Price: $6.95
5.
Acertijos, Desafos y tableros mgicos
by Dudeney, Henry, Poniachik, ...
ISBN: 9788479011154
List Price: $7.99