Paperback - Kids / Games & Activities/Puzzles. A new title in the hugely successful Clever Kids series, this book is filled with Sudoku puzzles to put your brain to the test. There are plenty of number puzzles to test your mental arithmetic and problem solving skills. The book also features a simple Sudoku tutorial at the start, featuring invaluable tips and tricks. Created by bestselling puzzle book author Gareth Moore, author of the chart-topping success Brain Games for Clever Kids.