Book Of Hard Sudoku Challenges: The Big Sodoku Set Of Daily Puzzles For Seniors And People Who Want To Preserve Their Brain (Sudoku Puzzles Are Scientifically Proven To Help Fight Alzheimer'S Disease)

by Masaki Hoshiko

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  • ISBN10 1690499656
  • ISBN13 9781690499657
  • Publish Date 20 August 2019 (first published 18 April 2019)
  • Publish Status Unknown
  • Imprint Bluesource and Friends
  • Format Paperback (US Trade)
  • Pages 306
  • Language English