Will Shortz Presents I Can Kenken!: 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 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