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KenKen can be described simply as sudoku with basic math (addition, subtraction and/or multiplication and division). It's a fun, addictive, clever puzzle that's winning fans the world over.

This edition contains 100 easy addition and subtraction KenKen puzzles with solving instructions and an introduction by puzzlemaster Will Shortz.

Ready for a Real Challenge?

Put your solving skills to the test with this wild and wicked collection of KenKen puzzles.

Features:
- 100 challenging KenKen puzzles using addition, subtraction, multiplication and division
- Introduction and "how to solve" instructions from legendary New York Times crossword editor Will Shortz
- Big grids with lots of space for easy solving

Looking for fast, friendly puzzles that won't bite back? This fun, portible new series begins with 200 fast and easy sudoku puzzles.

Includes:
-200 easy, relaxing puzzles
-Perfect portable size
-Edited by Will Shortz

KenKen is known around the world as a fun and wildly addictive game but did you know that it was originally created as a teaching tool to hone math, logic, and reasoning skills? So grab a pencil and and enjoy this fun way to strengthen your mind, even while relaxing on the beach

*Refresh and renew the "little grey cells" with 100 easy to hard KenKen puzzles
*Introduction by legendary New York Times puzzlemaster Will Shortz
*Big grids with lots of space for easy solving

This monster edition of KenKen contains 300 3x3 to 9x9 size puzzles with "How to Solve" instructions and an introduction by puzzlemaster Will Shortz. The puzzles use all four mathematical operations and increase in difficulty.

Features:
- 300 easy-to-hard sudoku
- Edited by legendary New York Times crossword editor Will Shortz
- Big grids with lots of space for easy solving

Not only are these puzzles fun but KenKen helps children improve concentration, logic and arithmetic skills. Children ages 9-12 have excelled in math and gained real-life problem solving skills all from playing a puzzle so engaging that it keeps them coming back for more.

This third volume of I Can KenKen features:
- 75 easy addition and subtraction puzzles
- Introduction and how to solve instructions from Marilyn Burns
- "Home and Classroom Guide for Parents and Teachers" by Ms. Burns
- Forward by Will Shortz

Not only are these puzzles fun but KenKen helps children improve concentration, logic and arithmetic skills. Children ages 9-12 have excelled in math and gained real-life problem solving skills all from playing a puzzle so engaging that it keeps them coming back for more.

This second volume of I Can KenKen features:
- 75 easy all multiplication puzzles to get kids excited about KenKen
- Introduction and how to solve instructions from Marilyn Burns
- "Home and Classroom Guide for Parents and Teachers" by Ms. Burns
- Foreword by Will Shortz

KenKen can be described simply as sudoku with basic math (addition, subtraction and/or multiplication and division). It's a fun, addictive, clever puzzle that's winning fans the world over.

Already more than one million KenKen books have been sold in Japan and is a huge hit in The Times of London. Now, America can catch KenKen fever

Our first book contains 100 easy addition and subtraction KenKen puzzles with "How to Solve" instructions and an introduction by puzzlemaster Will Shortz.

Puzzle fans have fallen for KenKen and now crave more challenging puzzles. The puzzles in this edition range in size from 6x6 grids to 9x9 grids and for the first time there will also be grids without application symbols. It's the ultimate KenKen challenge

This edition will also include "How to Solve" instructions and an introduction by puzzlemaster Will Shortz.

Includes:
*100 very challenging KenKen puzzles
*Puzzles range in size from 6x6 grids to mind-bending 9x9 grids
* Introduction and solving instructions by puzzlemaster Will Shortz