"The New York Times Will Shortz Presents KenKen: 300 Easy to Hard Logic Puzzles That Make You Smarter" von Tetsuya Miyamoto ist eine Sammlung von 300 KenKen-Rätseln, die in Zusammenarbeit mit dem bekannten Rätselredakteur Will Shortz...

KenKen is a grid-based numerical puzzle that uses basic math operations - addition, subtraction, multiplication and division - while also challenging your logic and problem-solving skills. von Miyamoto, Tetsuya

KenKen is a grid-based numerical puzzle that uses basic math operations - addition, subtraction, multiplication and division - while also challenging your logic and problem-solving skills. von Miyamoto, Tetsuya

KenKen is a grid-based numerical puzzle that uses basic math operations - addition, subtraction, multiplication and division - while also challenging your logic and problem-solving skills. von Miyamoto, Tetsuya

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...