Better World Books is your favorite online bookstore, whether you are looking for used books or new books. We offer a wide selection of used books at low and cheap prices and also offer new books. Whether you're seeking crime fiction and mystery novels, thrillers and murder mysteries where detectives, sleuths, and private eyes are on the case. Here you'll find hard-boiled and suspenseful crime fiction, as well as mystery novels from some of the best detective writers, such as an Agatha Christie ,if you are seeking a classic like And Then There Were None. If you are seeking out a newer trending title such as Big Little Lies by Liane Moriarty, we have that too!