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on Orders over $35
A walk through history's most mind-boggling puzzles Ever since the Sphinx asked his legendary riddle of Oedipus, riddles, conundrums, and puzzles o...
View full details4.43 / 5.0
7 Reviews
A smart way to teach children to think logically and creatively. One of the most precious gifts you can offer a child is a sharp mind. The 56 puzz...
View full details4.36 / 5.0
22 Reviews
A smorgasbord of math puzzles, factoids, quotations, trivia, formulas, and much more Are you fascinated by numbers and want to learn more? does t...
View full details5.0 / 5.0
1 Review
Bursting with Over 350 Brain Teasers for Kids (Ages 9-12)#1 New Release in Children's Fraction BooksFilled to the brim with engaging activities, th...
View full details5.0 / 5.0
4 Reviews
With several types of puzzles to delight curious minds, The Puzzler’s Guide to California is one part puzzle book, one part natural history guide—a...
View full details4.5 / 5.0
16 Reviews
With 60 puzzles to delight curious minds, The Puzzler’s Guide to Alaska is an interactive introduction to the 49th state for kids 8 and up that’s o...
View full details1.0 / 5.0
1 Review
Learn how to take the "tease" out of brainteasers, and increase your puzzle IQ with this eye-opening guide to solving puzzles. Revealing the basic ...
View full detailsWith several types of puzzles to delight curious minds, The Puzzler’s Guide to Oregon is one part puzzle book, one part natural history guide—and ...
View full detailsGet your family's brains going with 57 more creative calisthenics for the mindIn China, for centuries it has been acknowledged that early childhood...
View full details3.0 / 5.0
2 Reviews
""Welcome to the maze. A logical maze, a magical maze. A maze of the mind. The maze is mathematics. The mind is yours. Let's see what happens wh...
View full details4.25 / 5.0
8 Reviews
A fascinating journey into the mind-bending world of prime numbers Cicadas of the genus Magicicada appear once every 7, 13, or 17 years. Is it ju...
View full details"Deals in a very entertaining way with problems in normal life related to mathematics, luck, coincidence, gambling."--The Independent (London) Why...
View full details4.16 / 5.0
25 Reviews
Master math at your own pace! Does working with numbers often frustrate you? Do you need to brush up on your basic math skills? Do you feel math s...
View full details3.89 / 5.0
9 Reviews
How to make lots of money, keep yourself safe, and even save the world-all by using a little simple math Forget the dull, boring math you learned ...
View full detailsA visual journey to the intersection of math and imagination, guided by an award-winning author Mathematics is right brain work, art left brain, r...
View full detailsAn engaging survey of the fundamental concepts of mathematics and the many ways math is used in everyday life. This is a stimulating and simple rei...
View full details2.0 / 5.0
1 Review
Vacation Sex Quiz Book is the next step in sexual fun for the adventurous couple that wants to learn a few things while away. Know which city is a...
View full details4.67 / 5.0
3 Reviews
Written by Sharon Duke Estroff and Joel Ross and Mónica de Rivas Dash across the rainforest swamp with Daniel, Joy, and Kimani in the newest Chall...
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