On sale today is the newest novel from Ann Brashares, author of the bestselling Sisterhood of the Traveling Pants series and also of The Last Summer (of You and Me). 3 Willows is young adult novel, with a sisterhood at its center but told from a very different perspective. Ama, Polly and Jo find their friendship tested by time and other forces as they struggle with growing up. Here is Brashares talking about the book. See her on tour.