Series:

Sohei Sudoku

4 primary works

Book 2

Cover of Sohei Sudoku - 200 Easy Puzzles (Volume 2)

Book 5

Cover of Sohei Sudoku - 200 Master Puzzles (Volume 5)

Book 6

Cover of Sohei Sudoku - 200 Easy to Normal Puzzles (Volume 6)

Book 7

Cover of Sohei Sudoku - 200 Hard to Master Puzzles (Volume 7)