'Lucky Us,' which was released on July 29 and follows two half-sisters in the 1940s on a journey through the US, is piling up positive reviews.
Quindlen Krovatin (who happens to be her son) chats with the author about the book and the history behind it.
What's selling fastest in independent bookstores across America.
What's selling most in independent bookstores across the US.
What's selling best in America's independent bookstores