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This collection of more than one hundred original and highly sophisticated puzzles presents challenges that require creative, outside of the box thinking. Many different types of puzzles are included, such as word, number, logical, visual, spatial, dissection, dividing, dot-connecting, matchstick, coin, and more. Each aesthetically appealing puzzle is designed to improve problem solving skills; train geometric, combinatorial, and spatial imagination; bolster visual perception and logical reasoning; and foster the development of a perseverant and self-confident approach to challenges."

In a foot race, Abe was neither first nor last. Cal beat Doug, Bruce beat Abe, Abe beat Ed but was beaten by Cal, and Doug beat Bruce. Who was last?
Arrange four chess pieces so that every piece attacks exactly four empty squares.
In the USA, is it possible to travel by car in such a way that you visit exactly seven states and enter them in alphabetical order?
What do these words have in common: commerce, canoodle, funnel, recessive?
You have 12 pounds of nails and a large 2-pan balance. How can you measure out 9 pounds of nails?
Find identical jigsaw puzzle pieces,...