Will Shortz Presents I Can KenKen! Volume 3 : 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