Authors: Masaki Hoshiko

  • Advanced Sudoku Puzzle Book The Ultimate Collection of Diabolically Hard Daily Sudoku Challenges Made for Adults, Teenagers and Everyone In Between (Made in Small Size – Perfect for Travel and People On the Go) — Masaki Hoshiko

    Advanced Sudoku Puzzle Book The Ultimate Collection of Diabolically Hard Daily Sudoku Challenges Made for Adults, Teenagers and Everyone In Between (Made in Small Size – Perfect for Travel and People On the Go) — Masaki Hoshiko

  • The Master Of Numbers And Grids Develop Your Strategies And Master The Hardest Sudoku Puzzles Ever Assembled In A Pocket Size Book (300 Crazy Challenges) — Masaki Hoshiko

    The Master Of Numbers And Grids Develop Your Strategies And Master The Hardest Sudoku Puzzles Ever Assembled In A Pocket Size Book (300 Crazy Challenges) — Masaki Hoshiko

  • F*cking Hard Sudoku Puzzle Book #1 The 300 Worst Sudoku Puzzles in History That Will Destroy Your Life And Brain Cells Just At The First Puzzle — Masaki Hoshiko

    F*cking Hard Sudoku Puzzle Book #1 The 300 Worst Sudoku Puzzles in History That Will Destroy Your Life And Brain Cells Just At The First Puzzle — Masaki Hoshiko