Brain Games - Brain Workout: Sudoku, Spiral/***

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Boost your brainpower with fun and addicting sudoku puzzles! This book includes 162 classic sudoku puzzles The puzzles become increasingly challenging as the book progresses Sudoku grids are large, easy to read, and simple to fill out Check your work with the answer key at the back of the book Spiral binding allows the book to lay flat while in use 192 pages Whether you are new to sudoku or craving a fresh challenge, this sudoku book will give your brain a healthy workout!