Dillman and Masefield Books in Order

George Dillman works undercover for Cunard on the Lusitania's maiden Atlantic crossing in 1907. What begins as an assignment policing shipboard crime becomes a murder investigation, with passenger Genevieve Masefield drawn into his efforts to identify the culprit.

George Dillman and Genevieve Masefield police the Mauretania's maiden crossing in November 1907, with a valuable gold shipment aboard. Stormy weather and a passenger's apparent accident conceal a more deliberate danger, turning routine shipboard duties into a murder investigation.

George Dillman and Genevieve Masefield take work aboard the Minnesota on a voyage toward the Far East. Suspected smuggling already complicates their duties when a Catholic missionary is murdered, forcing the detectives to investigate crimes among their fellow travellers.

Two prisoners board the Caronia under guard, bound for England to face a murder trial. Shipboard detectives George Dillman and Genevieve Masefield begin doubting their guilt, but a fresh killing complicates their investigation during the Atlantic crossing.

Working aboard the smaller Marmora, George Dillman and Genevieve Masefield expect familiar problems with thieves and confidence tricksters. Protecting the Duke and Duchess of Fife's family adds responsibility, while the discovery of a body creates a difficult shipboard murder investigation.

A voyage aboard the Salsette brings George Dillman and Genevieve Masefield into contact with hostile acquaintances, a man claiming mystical powers, and a troublesome mother and daughter. Murder forces the detectives to examine the relationships and deceptions concealed among these passengers.

The Oceanic carries financier J. P. Morgan and valuable artworks across the Atlantic, adding pressure to George Dillman and Genevieve Masefield's duties. An art theft and a killing force the ship's detectives to examine their passengers before the voyage ends.

Arthur Conan Doyle travels aboard the Celtic when his annotated copy of A Study in Scarlet is stolen. George Dillman and Genevieve Masefield must recover the book while searching for a dangerous fugitive believed to be among the passengers.