Brain Twisters from the First World Puzzle Championships

Match wits with the world's best puzzle solvers who competed in the world's first mental Olympics in New York City in June 1992. Math Problems -- Logical Brainteasers -- Hidden Picture Puzzles Spot the Difference Puzzles -- Mazes -- Tangrams -- Warm-up Puzzles -- Special Challenges from Foreign Countries -- the U.S./Canada Qualifying Test So sharpen your pencils -- and play some games with your brain!Shortz, Will is the author of 'Brain Twisters from the First World Puzzle Championships' with ISBN 9780812921465 and ISBN 0812921461.