Here are some 2013 Fairy Tale themed wall calendars. The Arthur Rackham has been standard for a few years now, so I hope it continues.
Grimm - 2013 and Grimm - 2013 by Benedikt TASCHEN who published a great book late last year, The Fairy Tales of the Brothers Grimm.
Art Deco Fairytales 16-Month Wall Calendar 2013 (Size 12" X 12") This one calls itself Art Deco but in reality it is fairy tale illustrations by the great Kay Nielsen. Love it.