Series:

Triple Doku

3 primary works

Book 3

Cover of Sudoku Triple Doku - 200 Normal Puzzles 9x9 (Volume 3)

Book 5

Cover of Sudoku Triple Doku - 200 Master Puzzles 9x9 (Volume 5)

Book 7

Cover of Sudoku Triple Doku - 200 Hard to Master Puzzles 9x9 (Volume 7)