Series:

Mathrax

27 primary works

Book 21

Cover of Sudoku Mathrax - 200 Easy to Master Puzzles 9x9 (Volume 21)

Book 22

Cover of Sudoku Mathrax - 200 Easy Puzzles 9x9 (Volume 22)

Book 23

Cover of Sudoku Mathrax - 200 Normal Puzzles 9x9 (Volume 23)

Book 24

Cover of Sudoku Mathrax - 200 Hard Puzzles 9x9 (Volume 24)

Book 25

Cover of Sudoku Mathrax - 200 Master Puzzles 9x9 (Volume 25)

Book 26

Cover of Sudoku Mathrax - 200 Easy to Normal Puzzles 9x9 (Volume 26)

Book 27

Cover of Sudoku Mathrax - 200 Hard to Master Puzzles 9x9 (Volume 27)