The Everything Brain Strain Book

Packed with games to entertain, I.Q. test, 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.