This book has 100 puzzles at various levels of difficulty. A discusses how to solve each puzzle.

This book has 100 puzzles at various levels of difficulty. A discusses how to solve each puzzle.

A wide variety of puzzles at various levels of difficulty.

Discusses what Sudoku is and how to play. Provides puzzles and solutions.

This book contains puzzles at various levels.

100 puzzles from easy to very difficult. (Readers commented that the book is small enough to fit in a purse or jacket pocket making it ideal to use while commuting to work or school.)

This book contains 200 puzzles at various levels. Explains strategies for solving the problems and provides hints on how to improve your solving time.

Explains the basics of how to solve these number puzzles. Contains 240 puzzles at various levels of difficulty. Is pocketbook size, which makes it easy to travel with.

The book explains how to solve the puzzles and gives strategy tips. It contains 132 puzzles at three levels of difficulty.

Has 52 tips. Uses actual puzzles to demonstrate the tips.

For children ranging in age from 4 to 8.

This book is for children 9 to 12 years old. One reviewer suggested that this book could also be used for anyone who is just getting started with playing Sudoku.

Puzzles range from easy to extremely difficult.

Presents 300 puzzles at various levels of difficulty. It also presents a new form of the puzzle that it is done in a circle.

The puzzles are presented in five interlocking grids (adding something new to the game). The playing field consists four puzzle surfaces that appear in two rows of two with the fifth puzzle surface laying on top so that its four corners overlap a corner of each of the other puzzles. People who are up to an additional challenge or just another spin on Sudoku may enjoy this book.

This book is not for the faint of heart. Taking Sudoku to yet another level, users not only solve these puzzles the traditional way but have the added challenge of making outlined cubes add up to the same number! (Just when you thought you had it down pat!)

This book is for the more advanced Sudoku player.

This book contains 100 puzzles at various levels of difficulty.

This book contains 400 puzzles at various levels of difficulty. Solution hints are included.