The year is 1923 and Sherlock Holmes and Mary Russell receive a visit from Dorothy Ruskin, an amateur archaeologist. She shows them a scrap of ancient writing that is supposedly Mary Magdalene's. Soon afterwards she is murdered -- but why?

Russell, just twenty-one, meets a charismatic feminist mystic in London and faces a choice about the future.

"A fifty-year-old cold case involving California royalty comes back to life-with potentially fatal consequences-in this gripping standalone novel from the New York Times bestselling author of the Mary Russell and Sherlock Holmes series The Gardener Estate is one of the most storied and beloved places on the West Coast: a magnificent house in vast formal grounds, home to a family that shaped California-and fought hard to conceal the turmoil and eccentricities...

While Sherlock Holmes desperately seeks medical help for his gravely wounded son, Damien Adler, Mary Russell tries to protect Damien's daughter, Estelle, from the ruthless enemy pursuing all of them.

A chance meeting with a Sussex beekeeper turns into a pivotal, personal transformation when fifteen-year-old Mary Russell discovers that the beekeeper is the reclusive, retired detective Sherlock Holmes, who soon takes on the role of mentor and teacher.

It is a normal afternoon in Sussex when Russell and Holmes return home to find a peculiar addition to their garden: a beautiful stone that once occupied the Imperial gardens in Kyoto. The stone immediately recalls the spring of 1924, when, on their way back from India (The Game), Russell and Holmes agreed to perform a small but exceedingly dangerous job for the emperor of Japan. At the time, Russell encountered a young Japanese woman on board their...

"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....

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.

Returning home after seven months abroad, Mary Russell and Sherlock Holmes are met with a problem concerning one of Holmes's beehives and the reappearance of his estranged son, Damien, who needs their help in finding his missing wife and daughter.

Investigating the disappearance of an American girl who may be one of several abductees linked to a series of murders, Harris Stuyvesant, a former officer of the American Bureau of Investigation, follows clues to an American expat community in 1929 Paris, where he encounters dangerous adversaries and famous historical artists.