Publications International, Ltd. Brain games mini - sudoku puzzles, spiral/***

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Exercise your mind with fun and addictive sudoku puzzles! Includes 216 classic sudoku puzzles.

Features 4 levels of difficulty , perfect for the novice and pro alike.

Small, stylish book fits perfectly in your bag without taking up too much space.

Spiral binding allows you to lay the book flat while you work.

Complete answer key is found at the back of the book.

256 pages These sudoku puzzles are easy to learn, tough to master, and impossible to put down!.