World's 200 Hardest Brain Teasers (English, Paperback, Gruber Gary R. Dr)
From acclaimed author Dr, Gary Gruber, whose proven critical-thinking methods have
sold more than seven million books, this collection of mind-bending brain teasers is
sure to challenge even the most experienced problem solver. Inside are logic puzzles,
riddles, maddening math problems, mental games, and more!
Imprint |
|
Width |
|
Height |
|
Length |
|
Weight |
|