100 Challenging Sudoku Puzzles for a Sharp Mind: 125 Pages Jam-Packed with Puzzles – Includes Solutions – Perfect Puzzl for Seniors, Adults, ear by Mafee, Alan, ISBN 1077210361, ISBN-13 9781077210363, Like New Used, Free shipping in the US
100 Challenging Sudoku Puzzles for a Sharp Mind: 125 Pages Jam-Packed with Puzzles – Includes Solutions – Perfect Puzzl for Seniors, Adults, ear by Mafee, Alan, ISBN 1077210361, ISBN-13 9781077210363, Like New Used, Free shipping in the US