Super IQ Tests
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102 Cryptic Crosswords (Mensa)
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Cryptic Crosswords Volume 1
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Sit & Solve IQ Tests (Sit & Solve Series)
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Five-Minute Brainteasers
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Healthy Brain Book of IQ Puzzles
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Cryptic Crosswords Volume 4
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Mensa 365 Brain Puzzlers Page-A-Day Calendar 2023: Word Puzzles, Logic Challenges, Number Problems, and More
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Cryptic Crosswords Volume 2
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The Globe and Mail Cryptic Crosswords, Volume 1
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Classic IQ Tests
$7.09
The Brainiac's Puzzle Book
$8.19 - $8.59
Sit & Solve® Brain-Boosting IQ Tests
$8.69
Puzzles for a Super-Mind Workout
$13.49
Beat the Clock Puzzles
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Brain Aerobics Stopwatch Puzzles
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Every Note Counts - The Story of Nordoff-Robbins Music Therapy
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Mensa 365 Brain Puzzlers Page-A-Day Calendar 2019
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Mensa 365 Brain Puzzlers Page-A-Day Calendar 2020
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Cryptic Crosswords
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Brain Flexing Iq Tests
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Improve Your IQ on the Loo: Puzzles That’ll Make You Flip Your Lid
$7.29 - $17.29
Brain-Flexing IQ Tests
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Cryptic Crosswords Volume 3
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Mensa 365 Brain Puzzlers Page-A-Day Calendar 2018
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Mensa 365 Brain Puzzlers Page-A-Day(r) Calendar 2026: Word Puzzles, Logic Challenges, Number Problems, and More
$14.95