250 Very Hard Calcudoku Puzzles 9x9: Very Hard Calcudoku Puzzles (Calcudoku, #5)

by Anna Magey

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  • ISBN10 198432313X
  • ISBN13 9781984323132
  • Publish Date 30 January 2018
  • Publish Status Active
  • Imprint Createspace Independent Publishing Platform
  • Format Paperback (US Trade)
  • Pages 146
  • Language English