The OCTO puzzle is a patented math and logic challenge that is part Sudoku, part Kakuro, and part something else entirely! OCTO Spectrum is a collection of 60 OCTO puzzles that range from Easy to Very Hard--the perfect book for puzzle fans who want to experience the full spectrum of challenge available from the OCTO puzzle.
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Anbieter: Better World Books, Mishawaka, IN, USA
Zustand: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Artikel-Nr. 17810904-6
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