Take your brain to the gym and give it a good workout--no pain, no...

Contains 90 brilliant, ten-minute puzzles, to help train your brain. The wide variety of timed puzzles and exercises will keep you guessing and give your brain

Contains 101 quick-fire puzzles to exercise young minds; from memory games and simple calculations to spot the differences and jigsaw challenges.

This book is brimming with memory, word and number workouts, codes, battleships and mind-bending spot the differences, as well as Japanese puzzles including han

A new title in the hugely successful Clever Kids series, this book is packed with memory, word and number games for you to solve.