Molly Murphy Sullivan's husband Daniel, a captain in the New York City police force, is stumped. He's chasing a murderer whose victims have nothing in common nothing except for the taunting notes that are delivered to Daniel after each murder. And when Daniel receives a note immediately after Molly and her young son Liam are in a terrible train crash, Daniel and Molly both begin to fear that maybe Molly herself was the target. Molly's detective instincts...

Molly and Daniel Sullivan are settling happily into the new routines of parenthood, but their domestic bliss is shattered when a gang retaliates against Daniel after he makes a big arrest. Daniel wants his family safely out of New York City as soon as possible. Knowing she needs to protect their young son Liam, Molly agrees to take him on the long journey to Paris to stay with her friends Sid and Gus, who are studying art in the City of Light. But...

Semi-retired private detective Molly Murphy Sullivan is suffering from depression after a miscarriage following her adventure in San Francisco during the earthquake of 1906. She and her husband, Daniel, are invited for Christmas at a mansion on the Hudson, and they gratefully accept, expecting a peaceful and relaxing holiday season. Not long after they arrive, however, they start to feel the tension in the house's atmosphere. Then they learn that...

Irish immigrant Molly becomes an apprentice P.I. Unfortunately, she's soon investigating the murder of her boss-with a little help from a likable police detective.

With Molly Murphy's wedding to NYPD Captain Daniel Sullivan approaching, the Irish sleuth heads to the countryside where his mother advises her on a bride's proper place. And shockingly, Molly seems to be agreeing. She has already promised that she'll settle down after marrying, but that doesn't mean she can't squeeze in one last case. A wealthy Chinese immigrant wants her to find his missing bride, and Molly--sure she isn't getting the whole story--suspects...

Molly finds it's not easy to be a female detective with a brogue as thick as ham in 1901 New York. Late one night, two brutish cops haul her off to the slammer because they think she's a prostitute; they don't believe her claim that she was staking out the house across the street. She makes things worse on herself by refusing to mention her friendship with police captain Daniel Sullivan, who could have her released in a jiffy. Instead, she spends...

Molly Murphy escapes the typhoid epidemic in New York City in 1902 by going undercover as a cousin of Senator Barney Flynn in his house above the Hudson River. Flynn's wife still mourns the kidnapping and death of their son, and she has turned to spiritualists for solace. Molly, while investigating the spiritualist sisters, also tries to untangle the web around the kidnapping.

Irish immigrant and PI Molly Murphy is thrilled to have a ticket to the theater to see a trio of illusionists that are all the rage. Indeed, headlining is Harry Houdini, the most sensational of them all; he has just returned from entertaining European kings and queens for a brief run on Broadway. But before Houdini can even take the stage, the opening act goes horribly wrong and to the crowd's shock the illusionist saws into his assistant. In the...

Lady Georgiana finds herself in a heap of royal trouble in the second novel in the New York Times bestselling Royal Spyness Mystery series.
London, 1932. Poor Lady Georgiana—thirty-fourth in line to the throne—has nothing to serve her Bavarian princess houseguest, even though the Queen of England has requested that she entertain her. Then there's the matter of the body in the bookshop and the princess's unwitting...

Irish immigrant Molly Murphy and her New York City P.I. business are in the midst of a sweeping influenza epidemic and a fight for women’s suffrage that lands her in jail. Her betrothed, Police Captain Daniel Sullivan, finds her, but he hardly has time to bail her out, what with Chinese gangs battling for control of a thriving opium trade. The only consolation Molly can take from her vexing afternoon in the clink is that it made her some new friends...