Ultimatum sudoku. 400 collection puzzle.: Hard and very hard levels. Calcudoku - Kakuro - Jigsaw killer - Tridoku. Holmes presents a collection of strong classic sudoku to charge the mind. (plus 250 sudoku and 250 puzzles that can be printed). (Mix Classic Sudoku, #8)

by Basford Holmes

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  • ISBN10 179155573X
  • ISBN13 9781791555733
  • Publish Date 11 December 2018
  • Publish Status Active
  • Imprint Independently Published
  • Format Paperback (US Trade)
  • Pages 106
  • Language English