Will Shortz Presents I Can Kenken!, Volume 1: 75 Puzzles for Having Fun with Math

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 first book of KenKen for Kids features:. 75 easy all addition 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