Black Belt Sudoku Variants: 300 Puzzles

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.

Conceptis Puzzles is the world’s leading number-logic and picture-logic puzzle supplier to magazine, newspaper, book, mobile, game console, and board game providers. Every day, more than 10 million pages with Conceptis puzzles are printed in 40 countries worldwide. Their previous Puzzlewright books include Sudoku Variants, Black Belt Kakuro, Mensa(R) Sudoku, Samurai Sudoku, Paint-doku, and dozens of others.