40th Anniversary Collector's Edition. Completely different format from all the other calendars. FC features 12 photos of many of the most popular swimsuit models from over the years. Each of the 12 months has a 2 page datepad that contains a small photo for nearly every day of the month - some photos cover 2 days, and a few days each month have no photo but interesting facts about the SI Swimsuit Issues. Nearly 300 photos in all.