The Book Of Hard Sudokus: The Student'S Book Of Difficult Sudoku Puzzles For Improved Memory (Learn How To Use Daily Challenges To Improve Your Grades The Easy Way)

by Masaki Hoshiko

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  • ISBN10 1690499559
  • ISBN13 9781690499558
  • 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