Series:

Cross Sudoku

3 primary works

Book 4

Cover of Cross Sudoku - 200 Hard Puzzles 9x9 (Volume 4)

Book 6

Cover of Cross Sudoku - 200 Easy to Normal Puzzles 9x9 (Volume 6)

Book 7

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