What a bargain! At more than 700 puzzle-packed pages, this huge, value-priced collection should keep any solver happy...and busy for a very long time. It contai

FLEX YOUR brain power like never before! From acclaimed author Dr. Gary Gruber, whose proven critical-thinking methods have sold more than seven million books,

THIS BOOK CONTAINS A COLLECTIONS OF MIND TEASING LOGIC PUZZLES AND BRAIN TEASERS. 45 LOGIC PUZZLES AND RIDDLES ARE GIVEN HERE. THE SOLUTIONS OF THOSE ARE GIVEN

A collection of riddles on a wide range of topics for jokesters of all ages.

Enjoy figuring out creative solutions to real-world problems that have led to important inventions, discoveries, and innovations throughout history! Do you love