Nathan Haselbauer has written at least 3 books. Their most popular book is The Mammoth Book of Sudoku: 400 New Puzzles - The Biggest and Best Collection of Sudoku Ever with 1 save with an average rating of -⭐.
They are best known for writing in the genre Intelligence tests.
The Mammoth Book of Sudoku The Mammoth Book of Sudoku: 400 New Puzzles - The Biggest and Best Collection of Sudoku Ever
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