OCTO Spectrum

ISBN-13: 9781449995706 / Angielski / Miękka / 2010 / 90 str.

Doug Gardner

Opis

The OCTO puzzle is a brand-new, patent-pending 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.