Number ninjas will find plenty to love in this clever book of sudoku puzzles, vibrantly illustrated in full-color. Bursting with 101 entertaining sudoku puzzles, this entertaining collection will level up kids' logic skills, number learning, and concentration - all while providing them with hours of entertainment. Each puzzle accompanied by delightful illustrations by Diego Funck. - Boosts number learning - Improves logical thinking - Perfect for learning outside of the classroom ABOUT THE SERIES: Arcturus' mind-bending Smart Kids! series puts young reader's math, language, observation, and logic skills to the test with 101 puzzles. Featuring humorous full-color illustrations by Diego Funck, these books are perfect for kids aged 7+.