Will Shortz Presents Crazy for KenKen Easy to Hard: 100 Logic Puzzles That Make You Smarter

by Tetsuya Miyamoto, Will Shortz (Introduction)

Overview

Created in Japan by Tetsuya Miyamoto, KenKen has quickly become the successor to sudoku that the world's been waiting for. Like sudoku, KenKen has simple rules and is maddeningly addictive. The puzzles are based on logic and simple arithmetic and are fun for solvers of all ages.

Features: 100 easy to hard KenKen puzzles using addition, subtraction, multiplication and division

Puzzle grids range in size from warm-up 3x3s to challenging 9x9s

Introduction and "How to Solve" instructions from legendary New York Times crossword editor Will Shortz

Big grids with lots of space for easy solving

Product Details

ISBN-13:	9780312546397
Publisher:	St. Martin's Publishing Group
Publication date:	03/31/2009
Edition description:	First Edition
Pages:	128
Product dimensions:	9.22(w) x 6.04(h) x 0.37(d)

About the Author

Will Shortz has been the crossword puzzle editor of The New York Times since 1993. He is also the puzzlemaster on NPR’s Weekend Edition Sunday and is founder and director of the annual American Crossword Puzzle Tournament. He has edited countless books of crossword puzzles, Sudoku, KenKen, and all manner of brain-busters.

Tetsuya Miyamoto, the creator of KenKen, is a math teacher. He developed KenKen to help his student develop their calculation and logic skills. He runs a unique mathematics class for grade school children in Japan where he practices “The Art of Teaching Without Teaching.” His teaching method and use of KenKen in his classroom have proven extremely successful. His students regularly go on to be accepted at the most prestigious schools in Tokyo.