There have been many eras of it girls, but in our book, few hold a candle to Massie Block, the Carlyle sisters, and of course, Serena and Blair. Whether you opened these books in the library, snagged your copy at the Scholastic Book Fair, or borrowed from a friend, nothing said girlhood quite like these book series. So we are bringing them back, available at The Dune Market for a limited time.