Glory hallelujah—the nuns are back! Truly “habit-forming” (Maxim), the NUNS HAVING FUN CALENDAR is on a roll, with 2006 sales up 27% for a total of 96,000 copies. Who can resist these sweet, nostalgic images depicting the lighter side of convent life? In black-and-white and sepia, the photographs are from the 1950s and ’60s. Here are nuns frolicking through the waves (yes, in full habits). Nuns at the bowling alley. Nuns on a roller coaster, nuns singing, nuns in a chorus line, nuns playing jump rope, nuns on a road trip, nuns in bumper cars. Oh, and what fun they’re having! From Maureen Kelly and Jeffrey Stone, co-authors of the New York Times bestseller Growing Up Catholic, it’s a wonderfully fresh, entertaining look at the stern-looking sisters many of us remember from our childhoods.