Julia Child is hotter than ever -- but where's Julie Powell?

Thanks to this summer's "Julie and Julia," butter is back -- and bookstores are reaping the benefits.

The New York Times reports that "Mastering the Art of French Cooking" -- Julia Child's iconic bible of decadent, duck-fat dishes -- has sold 22,000 copies in the last week tracked by Nielsen. The $40, 752-page cookbook, which was published 48 years ago, will debut at the top spot on the Times' bestseller list on Aug. 30.

So what of the tome by the film's co-starring character, Julie Powell? It was her book, spun from her blog entries about mastering "Mastering," that inspired the movie. The Times story reports that the book's publisher, Little, Brown and Company, reprinted the book 13 times this year with a movie tie-in cover -- and they've been popping up in airports and bookshop front windows all summer.