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

　　Will Shortz Presents KenKen Easy to Hard Volume 3

　　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.

　　Volume 3 contains 100 KenKen puzzles that use all for mathmatical applications with “How to Solve” instructions and an introduction by puzzlemaster Will Shortz.

作者簡介

　　TETSUYA MIYAMOTO, the creator of KenKen, is a math teacher whose use of KenKen in his classroom has proved so successful that it has lead to a worldwide demand for his puzzle to be published in book form.
 
　　Will Shortz has been crossword 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. Will can be reached at www.crosswordtournament.com.