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Boeklezers.nl is a network for social reading. We help readers discover new books and authors, and bring readers in contact with each other and with writers. Read more ».

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Books

Maximize Your Brainpower
Maximize Your Brainpower
1000 New Ways To Boost Your Mental Fitness »
 
 
 
 
 

1000 Iq Puzzles
1000 Iq Puzzles
 »
 
 
 
 
 

The Complete Book Of Fun Maths
The Complete Book Of Fun Maths
The idea of this book is to help build confidence with maths via a series of tests and puzzles. After a gentle 'warm-up' section, the puzzles and tests get ... »
 
 
 
 
 

What's Your Iq?
What's Your Iq?
 »
 
 
 
 
 

How to Solve Word Puzzles
How to Solve Word Puzzles
Boost Your Brain Power »
 
 
 
 
 

More Iq Testing
More Iq Testing
250 New Ways to Release Your IQ Potential »
 
 
 
 
 

Incremente Su Poder Mental
Incremente Su Poder Mental
Mejore Su Creatividad, Memoria, Agilidad Mental E Inteligencia »
 
 
 
 
 

Mensa Crosswords
Mensa Crosswords
Almost 200 Crosswords Of Every Conceivable Kind »