Series:

Killer Sudoku X

7 primary works

Book 1

Cover of Killer Sudoku X - 200 Easy to Master Puzzles 9x9 (Volume 1)

Book 2

Cover of Killer Sudoku X - 200 Easy Puzzles 9x9 (Volume 2)

Book 3

Cover of Killer Sudoku X - 200 Normal Puzzles 9x9 (Volume 3)

Book 4

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

Book 5

Cover of Killer Sudoku X - 200 Master Puzzles 9x9 (Volume 5)

Book 6

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

Book 7

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