This rich and varied Mensa puzzle collection is an ideal mental workout for even the most experienced of puzzle fans. Some of the mind teasers test for knowledge of specific facts, but most can be solved by pure brain power.
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This rich and varied Mensa puzzle collection is an ideal mental workout for even the most experienced of puzzle fans. Some of the mind teasers test for knowledge of specific facts, but most can be solved by pure brain power.
Read Less