1,000 + Sudoku Classic 8x8: Logic puzzles medium - hard levels

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Jigsaw Sudoku: 1,000 + sudoku jigsaw 9x9: Logic puzzles medium levels (Series #22) (Paperback)

Basford Holmes · 400 KILLER JIGSAW puzzles 9 x 9 EASY - MEDIUM + BONUS 250 LABYRINTH 22 x 22 (Paperback Book) (2018)

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1,000 + Sudoku Classic 8x8: Logic puzzles easy - medium - hard - extreme levels (Daily sudoku) - Holmes, Basford: 9781712029831 - AbeBooks