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Cover for Jonathan Bloom · The Must Have 2015 Sudoku Puzzle Book: 365 Puzzle Daily Sudoku to Challenge You Every Day of the Year. 365 Sudoku Puzzles - 5 Difficulty Levels (Easy to Hard) (Paperback Book) (2014)

The Must Have 2015 Sudoku Puzzle... (2014)

Cover for Jonathan Bloom · Biggest Sudoku Puzzle Book Ever : 2,222 Sudoku Puzzles - 6 difficulty levels (Paperback Book) (2015)

Biggest Sudoku Puzzle Book Ever ... (2015)

Cover for Jonathan Bloom · The Must Have 2018 Sudoku Puzzle Book (Paperback Book) (2017)

The Must Have 2018 Sudoku Puzzle... (2017)