"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...

"Mary Russell is used to dark secrets--her own, and those of her famous partner and husband, Sherlock Holmes. Trust is a thing slowly given, but over the course of a decade together, the two have forged an indissoluble bond. And what of the other person to whom Mary Russell has opened her heart: the couple's longtime housekeeper, Mrs. Hudson? Russell's faith and affection are suddenly shattered when a man arrives on the doorstep claiming to be Mrs....

"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 Roumania: 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 Roumania's young dynasty, Marie had beguiled the Paris Peace Conference into returning her adopted country's long-lost provinces, single-handedly...

"Mary Russell and Sherlock Holmes, hoping for a respite in the French countryside, are instead caught up in a case that turns both bewildering and intensely personal. After their recent adventures in Transylvania, Russell and Holmes look forward to spending time with Holmes' son, the famous artist Damian Adler, and his family. But when they arrive at Damian's house, they discover that the Adlers have fled from a mysterious threat. Holmes rushes after...

The third book in the Mary Russell–Sherlock Holmes series.
It is 1923. Mary Russell Holmes and her husband, the retired Sherlock Holmes, are enjoying the summer together on their Sussex estate when they are visited by an old friend, Miss Dorothy Ruskin, an archeologist just returned from Palestine. She leaves in their protection an ancient manuscript which seems to hint at the possibility that Mary Magdalene was an apostle—an artifact

...

Twenty years after he solved the case of the hound of the Baskervilles, Sherlock Holmes returns to Dartmoor to investigate a murder and another sighting of the hound. On this occasion he is accompanied by his wife, Mary Russell, who narrates.