Young readers can solve over 100 mind-expanding number puzzles in this entertaining activity book, wonderfully illustrated in full-color. From secret codes and sudokus to number mazes and brain-teasers, Train Your Brain: Number Puzzles is packed with ingenious puzzles that will really get children thinking outside the box. With just a little daily mental exercise, readers will become sharper, faster-and ready to tackle whatever head-scratching problems might come their way! Includes: * Math problems to improve numeracy skills * Sudoku puzzles to boost logical thinking * Riddles to improve verbal reasoning * And much more! These puzzles are brought to life by vibrant scenes and lively characters, beautifully illustrated by Evelyn Rogers. Perfect for readers aged 9+. ABOUT THE SERIES: Train Your Brain Puzzles are dynamic, high-energy activity books for young readers. Each are filled with mind-expanding puzzles, from logical codecrackers to observation picture puzzles, all vibrantly illustrated by Evelyn Rogers.