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by Nikoli PublishingCalendar details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-7611-5788-5 ISBN-10: 0-7611-5788-3 Workman Publishing Company · 2010 |
| See also (possibly by other authors): | ||
| 2006 | Calendar | The Original Sudoku Calendar 2007 |
| 2005 | Calendar | The Original Sudoku Calendar 2006 |