Society T-Shirt
 
100% cotton heavyweight t-shirt printed with the Society's name and logo.
 
Unit Price: $12.95
 


 
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Join the Revolution!
 
Be part of the International High IQ Society revolution! Our Einstein t-shirt is a heavyweight 100% cotton shirt with our logo printed on the back.
 
Unit Price: $14.95
 


 
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Society Lapel Pin
 
Genuine International High IQ Society one-inch collectable metal lapel pin.
 
Unit Price: $7.95
 


 
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The Mammoth Book of IQ Puzzles
 
by Nathan Haselbauer

This puzzle collection features five hundred new IQ puzzles. Formulated in association with the International High IQ Society and covering a broad spectrum, the puzzles range from surprisingly easy to a level of difficulty that will challenge even the sharpest minds. The puzzles vary from math and logic problems to word games, with the emphasis throughout on clarity of presentation and elegance of answer.
 
Unit Price: $14.95
 


 
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What's Your IQ?
 
by Nathan Haselbauer

What's Your IQ? is a complete guide to the hidden powers of the mind. More than a dozen self-scoring tests take you through the ins and outs of human potential. Build on your existing skills and discover skills you didn't know you had.

Complete with informative discussions of how each category of intelligence is calculated, and the effects different aptitudes have on your life, What's Your IQ? is the only book on intelligence testing you need.
 
Unit Price: $9.95
 


 
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The Little Book of Bathroom Brainteasers
 
by Nathan Haselbauer

Over 200 brainteasers that take two minutes or less. These original brainteasers offer a wide range of very innovative and highly challenging puzzles.


 
Unit Price: $9.95
 


 
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The Mammoth Book of Sudoku
 
by Nathan Haselbauer

Here's the biggest and most exciting book of sudoku puzzles ever compiled. Over 400 new puzzles designed to satisfy all levels from beginner to expert are featured, with all kinds of challenges, all levels of difficulty, and more varieties of number-placement (and letter-placement) puzzles than any other collection available.
 
Unit Price: $7.95
 


 
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