The heiress of Styles has been murdered, dying in agony from strychnine slipped into her coffee. And there are plenty who would gain from her death: the financi

(Secret adversary): Investigating the case of a woman who has been missing for five years, Tommy and Tuppence Beresford uncover just enough information to solve

It all started with Nathanael Johnson's decision to teach his daughter, Josephine, the names of every tree they passed as they walked up the hill to daycare in

London 1946. An actress is murdered, not just on camera but in full view of a crowded film set. Only six people had an opportunity to administer the poison yet