Liam Parker Book of Sudoku Variants - Jigsaw Sudoku, Killer Sudoku, (Paperback)
Title: Book of Sudoku Variants - Jigsaw Sudoku, Killer Sudoku, Tripod Sudoku, Sudoku X - 200 Hard Puzzles Book 2. Series: Book of Sudoku Variants. Author: Liam Parker. Format: Paperback. Type: Paperback.