Train Your Brain Ultimate Brain Teasers

Readers young and old will love these fast-paced, fun-packed, fully illustrated books. Packed with ingenious puzzles that will really get you thinking outside the box. With just a little daily mental exercise, you'll find that you're sharper, faster and ready to tackle whatever head-scratching problems might come your way. The activities in this series range from classic riddles and code-cracking games to clever Japanese puzzles.