Mary Jekyll, alone and penniless following her parents' death, is curious about the secrets of her father's mysterious past. One clue in particular hints that Edward Hyde, her father's former friend and a murderer, may be nearby, and there is a reward for information leading to his capturea reward that would solve all of her immediate financial woes. But her hunt leads her to Hyde's daughter, Diana, a feral child left to be raised by nuns. With the...

Sent to Lisbon and Morocco, where a British studio is creating a silent film version of "The Pirates of Penzance," Mary Russell investigates a series of crimes targeting the production and confronts a high-stakes situation when actual pirates orchestrate a hostage situation.

"Mary Russell and Sherlock Holmes untangle the slippery threads of insanity and deadly secrets as they investigate a disappearance in the New York Times bestselling series that Lee Child called "the most sustained feat of imagination in mystery fiction today." A June summer's evening, on the Sussex Downs, in 1925. Mary Russell and Sherlock Holmes are strolling across their orchard when the telephone rings: an old friend's beloved aunt has failed to...

A queen, a castle, a dark and ageless threat--all await Mary Russell and Sherlock Holmes in this chilling new adventure. The queen is Marie of Romania: the doubly royal granddaughter to Victoria, Empress of the British Empire, and Alexander II, Tsar of Russia. A famous beauty who was married at seventeen into Romania's young dynasty, Marie had beguiled the Paris Peace Conference into returning her adopted country's long-lost provinces, single-handedly...