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on Orders over $35
5.0 / 5.0
3 Reviews
An in-depth look at the theories behind the most intriguing puzzles in physics, chemistry, biology, earth science, and astronomy In The Five Bi...
View full detailsA 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 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 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 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 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 detailsMore mind-bending fun in physics The sequel to the popular Mad About Physics, Mad About Modern Physics promises endless hours of entertaining, cha...
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 detailsAnswers to science's most enduring questions from "Can I break the light-speed barrier like on Star Trek?" and "Is there life on other planets?" to...
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 detailsHave you ever wondered whether a human could really fly with wings like a bird’s? What about how many zombies you could actually drive through? Or ...
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 details4.14 / 5.0
7 Reviews
The Build It! series of visually rich instruction books for LEGO® creations is perfect for children ages 5 and up. Inside Racecars, you'll find a r...
View full details4.0 / 5.0
2 Reviews
A LIVELY EXPLORATION OF THE BIGGEST QUESTIONS IN SCIENCE Including answering questions like: How Did the Universe Begin? The Big Bang has been...
View full details4.39 / 5.0
23 Reviews
Race car, snowmobile, double-decker bus...what will you build today? From the popular series of visually rich instruction books for LEGO® creations...
View full details3.6 / 5.0
5 Reviews
An accessible look at the hottest topic in physics and the experiments that will transform our understanding of the universe The biggest news in s...
View full detailsThis series of visually rich instruction books for LEGO® creations is perfect for children ages 5 and up. Build it! Imagine Your World contains a r...
View full details3.25 / 5.0
4 Reviews
This work offers many different kinds of brain-teasing quizzes from true or false questions to fill in the blanks, and is filled with facts and fig...
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 details4.71 / 5.0
31 Reviews
Fun Trivia Questions and Answers for Brainiacs“A fun collection of facts that will leave you full of information you never knew you needed to know!...
View full details"Funny, clear, deep, and right on target. [Siegfried] lets us get a handle on ideas that are essential for understanding the evolving world." -K. C...
View full details4.21 / 5.0
34 Reviews
An accessible look at the mysteries that lurk at the edge of the known universe and beyond The observable universe, the part we can see with teles...
View full details4.09 / 5.0
11 Reviews
The concept of multiple unperceived dimensions in the universe is one of the hottest topics in contemporary physics. It is essential to current att...
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