Books in the Martial Arts Puzzles series

Get ready to fight your way to the top of the sudoku ranks! Each book in the Martial Arts sudoku series will contain 300 puzzles, with a different blend of variants depending on the difficulty level. White Belt Sudoku Variants will include the most accessible puzzle types at their easiest level.

Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Green Belt Sudoku Variants will include puzzle types featured in the White Belt at a slightly harder level, as well as some additional variants.

Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Black Belt Sudoku Variants will feature variants with the most fiendish twists.

Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Brown Belt Sudoku Variants will include puzzle types featured in the Green Belt at a higher level, as well as some additional variants.