James R. Benn

"When an unidentified corpse washes ashore at Slapton Sands on England's southern coast, US Army Captain Billy Boyle and his partner, Lieutenant Piotr 'Kaz' Kazimierz, are assigned to investigate. The Devonshire beach is the home to Operation Tiger, the top-secret rehearsal for the approaching D-Day invasion of Normandy, and the area is restricted; no one seems to know where the corpse could have come from. Luckily, Billy and Kaz have a comfortable...

"Uncle Ike" (aka General Eisenhower) personally pins silver first lieutenant bars on Billy Boyle in Benn's stellar fifth WWII mystery (after 2009's Evil for Evil). In December 1943, Billy's leave with his British girlfriend in Italy is cut short. Orders send him to London to look into a Soviet officer's shooting murder, which may be retaliation for the execution of thousands of Polish officers in the Katyn Forest that's been blamed on the Germans...

US Army Captain Billy Boyle plunges into partisan warfare alongside betrayed French Resistance fighters in his seventeenth WWII investigation.
Southern France, 1944: Ex-Boston cop and wartime military investigator Billy Boyle is given a dangerous assignment—to extract a British Special Operations Executive officer from Crete and take him to France to serve on a security detail to identify fascist sympathizers. The mission gets even...

In this seventh installment of James R. Benn’s hit WWII-era mystery series, Lieutenant Billy Boyle goes undercover in the Vatican.
 
Lieutenant Billy Boyle could have used a rest after his last case, but when his girlfriend, Diana Seaton, a British spy, goes missing in the Vatican, where she was working undercover, he insists on being assigned to a murder investigation there so he can try to help her.
 
An American...

A murder in wartime Switzerland reveals Swiss complicity with the Nazis in World War II, and US Army detective Billy Boyle is called to investigate.
Europe, 1944: Captain Billy Boyle and his friend Lieutenant Piotr “Kaz” Kazimierz are sent to neutral Switzerland to work with the Office of Strategic Services (OSS), investigating Swiss banks that are laundering looted Nazi gold. The US and Swiss governments are about to...

What’s a twenty-two-year-old Irish American cop who’s never been out of Massachusetts before doing at Beardsley Hall, an English country house, having lunch with King Haakon of Norway? Billy Boyle himself wonders. Back home in Southie, he’d barely made detective when war was declared. Unwilling to fight—and perhaps die—for England, he was relieved when his mother wangled a job for him on the staff of a general married...

Fifty Browning Automatic Rifles have been stolen from a US Army base in Northern Ireland. His “uncle” Ike Eisenhower sends Billy to recover the weapons, which might be used in a German-sponsored IRA uprising. Bodies begin to accumulate as Billy finds unexpected challenges to his Boston-Irish upbringing and IRA sympathies. There are rogues on both sides, he learns.

"Lieutenant Billy Boyle could have used a rest after his last case, but when his girlfriend, Diana Seaton, a British spy, goes missing in the Vatican, where she was working undercover, he insists on being assigned to a murder investigation there so he can try to help her. An American monsignor is found murdered at the foot of Death's Door, one of the five entrances to Saint Peter's Basilica. Wild Bill Donovan, head of the OSS, wants the killing investigated....

Billy Boyle awakens in a field hospital in Sicily with amnesia. In his pocket is a yellow silk handkerchief embroidered with the initial L. Gradually he remembers: he has been sent ashore in advance of the troops with this token from Lucky Luciano to contact the head of the Sicilian Mafia. But he must also thwart a murderous band of counterfeiters of Army scrip led by Vito Genovese.

"Following their mission in the Soviet Union, Billy, Kaz, and Big Mike are sent to southern France for what should be a simple assignment: to serve as security for Royal Navy Commander Gordon Stewart, head of the Special Operations Executive's Section F in Algiers. Stewart's mission is to work with Resistance leaders in liberated areas to gather information that will help track down Vichy officials and other traitors who escaped with the retreating...