Description
400 Killer Sudoku: Hard to Very Hard Killer Sudoku Puzzles by Mindful Puzzls,.... 400 Killer Sudoku: Hard to Very Hard Killer Sudoku Puzzles by Mindful Puzzls, Mindful Puzzls, ISBN 1727338367, ISBN-13 9781727338362, Like New Used, Free shipping in the US 400 Killer Sudoku: Hard to Very Hard Killer Sudoku Puzzles by Mindful Puzzls, Mindful Puzzls, ISBN 1727338367, ISBN-13 9781727338362, Like New Used, Free shipping in the US