Frank Longo Books

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  • Absolutely Nasty(r) Sudoku Level 4
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    Absolutely Nasty(r) Sudoku Level 4 - Spiral

    Absolutely Nasty(r) Sudoku Level 4 - Spiral

    By Frank Longo
  • Skill Builder Sudoku: Medium to Hard

    Skill Builder Sudoku: Medium to Hard - Paperback

    Skill Builder Sudoku: Medium to Hard - Paperback

    By Peter Gordon and Frank Longo

About Frank Longo Books

Frank Longo creates, fact-checks, and edits crossword puzzles, and also specializes in sudoku, having published more than 150 sudoku books. His books have sold more than 5 million copies. His wide array of titles encompasses both standard and variety sudoku puzzles, and includes Pause for Puzzles: Sudoku for Midfulness, Sip & Solve Simple Sudoku, The Peaceful Mind Book of Sudoku, Blockbuster Book of Sudoku, Beyond Black Belt Sudoku, and Puzzlewright Guide to Solving Sudoku (with Peter Gordon).