Sudoku & Number Puzzles

Challenge yourself at home with word and number puzzles The latest volume in the hugely popular Killer Su Doku series from the puzzle sup...

Did you know there are 17 possible types of symmetric wallpaper pattern? Do you know what casting out the nines is? Or why 88 is the fourth untouch...

Challenge yourself at home with word and number puzzles The latest volume in the hugely popular Killer Su Doku series from the puzzle su...

Challenge yourself at home with word and number puzzles Specially compiled to provide the most deadly Su Doku challenge, this is the only...

Continuing the popular Overworked & Underpuzzled series, Serene Sudoku contains almost 200 of the ever-popular Sudoku puzzles to help focus you...

Math meets sudoku in this fun, challenging puzzle craze from Japan. KenKen is a grid-based numerical puzzle that uses basic math operations--addi...

Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle re...

Looking for something challenging but not impossible, something to bump up your kakuro technique?  These medium-hard green puzzles are just right f...

Great for puzzlers whose eyesight is imperfect, this title presents super-sized sudoku that equals super-sized fun! Each 8X10 page features just on...

Kick start your brain with Do the math! math challenges that exercise those gray cells. Whether it's a computation problem, problems involving adva...

Kakuro is fun - but if the puzzles aren't just right, newcomers can feel frustrated. This collection will ease novices into solving kakuro puzzles,...

Math meets sudoku in this fun, challenging puzzle craze from Japan. Ready for step two? These KenKen offer a challenge that intermediate solvers w...