The Dead In Their Vaulted Arches (Signed, Canadian First Edition; First Printing) [signed] [first edition]

Bishop's Lacey is never short of two things: mysteries to solve and pre-adolescent detectives to solve them. In this New York Times bestselling series of cozy mysteries, young chemist and aspiring detective Flavia de Luce once again brings her knowledge of poisons and her indefatigable spirit to solve the most dastardly crimes the English countryside has to offer, and in the process, she comes closer than ever to solving her life's greatest mystery--her mother's disappearance. . .