Everything Brain Strain Book Over 400 Puzzles, Riddles, And Mind-Benders To Flex Your Mental Muscles (Paperback)

From the Publisher: Packed with games to entertain, test I.Q., and improve problem-solving skills, The Everything® Brain Strain Book is filled with enough challenging puzzles, riddles, and brain teasers to keep game lovers busy for hours at a time. The Everything® Brain Strain Book features hundreds of games and puzzles that are organized by type and difficulty. More than 400 mind-bending challenges of every variety; Hints and clues for each confounding teaser; Hundreds of ways to improve thinking skills and problem-solving techniques