Series:

Sudoku X

8 primary works

Book 1

Cover of Sudoku X - 200 Easy Puzzles 9x9 vol.1

Book 2

Cover of Sudoku X - 200 Normal Puzzles 9x9 vol.2

Book 3

Cover of Sudoku X - 200 Hard Puzzles 9x9 vol.3

Book 4

Cover of Sudoku X - 200 Very Hard Puzzles 9x9 vol.4

Book 5

Cover of Sudoku X - 200 Easy to Normal Puzzles 9x9 vol.5

Book 6

Cover of Sudoku X - 200 Normal to Hard Puzzles 9x9 vol.6

Book 7

Cover of Sudoku X - 200 Hard to Very Hard Puzzles 9x9 vol.7

Book 8

Cover of Sudoku X Puzzles - 400 Easy to Very Hard Puzzles 9x9 vol.8