We re giving you the THIRD DEGREE
Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more So here's the next level of challenge for fans of these addictive conundrums that feature little numbers throughout the grid. Solvers have to fill in the blanks with digits that add up to the little numbers. It's fun, and it stretches your mental muscles, too
How tough are you? These 150 kakuro are for top solvers only "

We re giving you the THIRD DEGREE
Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more So here's the next level of challenge for fans of these addictive conundrums that feature little numbers throughout the grid. Solvers have to fill in the blanks with digits that add up to the little numbers. It's fun, and it stretches your mental muscles, too
Beginners welcome These 150 puzzles are perfect for kakuro newbies."

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.

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.

Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen!