500+ Hard Sudoku Puzzles for Adults: Sudoku Puzzle Books Hard (with answers)

by Sudoku Puzzle Books

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  • ISBN10 197954624X
  • ISBN13 9781979546249
  • Publish Date 8 November 2017
  • Publish Status Active
  • Imprint Createspace Independent Publishing Platform
  • Format Paperback (US Trade)
  • Pages 110
  • Language English