Extreme Sudoku Puzzle Book | Hard to Extreme

If you are an expert at Sudoku but want an extra challenge then you will love our Extreme Sudoku Puzzles.

Featuring 156 Sudoku Puzzles of 3 difficulties: Hard, Very Hard and Extreme



  • 156 Puzzles: 48 Hard, 54 Very Hard and 54 Extreme
  • Large print – 2 Puzzles per page
  • Suitable for all Levels: Beginner to Expert
  • Perfectly Sized – 7″ x 10″
  • Premium Matte Color cover design




*If you live in a different country that has an Amazon Marketplace you can find our book by typing this code into the Amazon Search Bar : B08FS476TH