Matrix Puzzles
33 books • 40 series
210 Sudoku 9x9 Puzzles: Very Hard
Book #1: Sudoku
216 Sudoku 9x9 Puzzles: Medium, Hard, Very Hard, Extreme
Book #1: Sudoku
234 Sudoku 9x9 Puzzles: Easy, Medium, Hard
Book #2: Sudoku
234 Sudoku 9x9 Puzzles: Hard, Very Hard, Extreme
Book #2: Sudoku
252 Sudoku 9x9 Puzzles: Very Easy, Easy, Medium, Hard, Very Hard, Extreme
Book #1: Sudoku
360 Sudoku 9x9 Puzzles: Easy, Medium, Hard, Very Hard
Book #1: Sudoku
360 Sudoku 9x9 Puzzles: Medium, Hard, Very Hard, Extreme
Book #1: Sudoku
378 Sudoku 9x9 Puzzles: Easy, Medium, Hard
Book #2: SUDOKU 378 Easy to Hard Puzzles
378 Sudoku 9x9 Puzzles: Hard, Very Hard, Extreme
Book #2: Sudoku
378 Sudoku 9x9 Puzzles: Very Easy, Easy, Medium
390 Sudoku 9x9 Puzzles: Easy
Book #1: Sudoku
390 Sudoku 9x9 Puzzles: Extreme
Book #2: Sudoku
390 Sudoku 9x9 Puzzles: Hard
Book #2: Sudoku
390 Sudoku 9x9 Puzzles: Medium
Book #1: Sudoku
390 Sudoku 9x9 Puzzles: Very Easy
Book #1: Sudoku
390 Sudoku 9x9 Puzzles: Very Easy, Easy, Medium, Hard, Very Hard
Book #1: Sudoku
396 Sudoku 9x9 Puzzles: Easy, Medium
Book #2: Sudoku
396 Sudoku 9x9 Puzzles: Hard, Very Hard
Book #2: SUDOKU 396 Hard to Very Hard Puzzles
396 Sudoku 9x9 Puzzles: Medium, Hard
Book #2: Sudoku
396 Sudoku 9x9 Puzzles: Very Hard, Extreme
Book #2: Sudoku