"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...

"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...

"A murder in wartime Switzerland reveals Swiss complicity with the Nazis and profiteering during World War II Billy and Kaz are sent to neutral Switzerland to investigate the murder of a Swiss banking official with ties to the Office of Strategic Services (OSS). The US and Swiss governments are about to embark on diplomatic discussions regarding the Safehaven Protocols, which are aimed at limiting the amount of war materials exported by Switzerland...

"1943: In the midst of the brutal, hard-fought Solomon Islands campaign between the Allies and the Japanese forces, Lieutenant Billy Boyle receives an odd assignment: he's sent by the powerful Kennedy family to investigate a murder in which PT skipper (and future president) Jack Kennedy has been implicated. The victim is a native coastwatcher, an allied intelligence operative, whom Kennedy discovered on the island of Tulagi with his head bashed in....

Billy Boyle, a young Irish-American cop from Boston, has just made detective when World War II breaks out. His "Uncle Ike" is Dwight D. Eisenhower, plucked from obscurity to command Army forces in Europe, and he wants Billy to be his personal investigator. Accompanied by an aristocratic Polish officer in exile and a beautiful British WREN, his mission is to catch a spy who may have been planted in Beardsley Hall, where the Norwegian government in...

"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....

March, 1944: US Army Lieutenant Billy Boyle, back in England after a dangerous mission in Italy, is due for a little R&R, and also a promotion. But the now-Captain Boyle doesn't get to kick back and enjoy his leisure time because two upsetting cases fall into his lap at once. The first is a personal request from an estranged friend: Sergeant Eugene "Tree" Jackson, who grew up with Billy in Boston, is part of the 617th Tank Destroyers, the all-African...

In his time investigating crimes for both the Boston cops and General Ike's European forces, Lieutenant Billy Boyle hasn't encountered a serial killer. But now it looks like he may—a serial killer with a particularly frightening agenda.
Two officers from the American troops stationed in Caserta, Italy, not far from Naples, have been found murdered. Lieutenant Norman Landry was found behind a supply tent with his neck snapped. Captain

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Praise for the Billy Boyle series:
“The brash kid from Southie is still open, direct and fearless in his manner (and in his wonderfully loose-jointed use of the English language) and in no danger of losing his cover as a ‘happy-go-lucky Yank.’ But even amid the excitement of the spirited wartime storytelling, Benn allows Boyle’s experiences to change him in ways both subtle and dramatic.”—Marilyn Stasio, The...

"Months after the Liberation of France, ex-Boston cop Billy Boyle has landed in its war-torn capital city, still carrying with him the weight of his last mission. He witnesses a Paris ailing from the carnage it has endured-blocked roadways, buildings marked by bullet holes -- but with the nascent hope that the war might be coming to its end. When Billy and his long-time comrade Kaz survive a tense shoot-out in the Père Lachaise Cemetery, they discover...