200+ Sudoku Hard To Extreme: A Unique Collection Of 200 Extremely Hard Sudoku Puzzles Book Plus Techniques And Solutions...Crack The Hardest Sudoku Puzzles A.K.A The Extreme SUDOKU Challenge! Vol.1 (Hardest Sudoku, #1)

by Jay Johnson

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  • ISBN10 1099595401
  • ISBN13 9781099595400
  • Publish Date 21 May 2019
  • Publish Status Active
  • Imprint Independently Published
  • Format Paperback (US Trade)
  • Pages 90
  • Language English