STARRED REVIEW, Publisher's Weekly: "...suspenseful...Benn does his usual excellent job of incorporating historical background into a fast-paced plot, which barely slows down on the way to the satisfactory resolution."

"Benn's 12th World War II mystery keeps the action coming, with a nifty whodunit chaser."
—Kirkus Reviews

​"Benn​ ​molds an entertaining story out of Billy and his cohorts’ encounters with odious Swiss bankers and a cadre​ of ​Gestapo agents stationed in Bern to protect the loot. Great history here." 

"Extensive historical and military contextual detail, copious suspense, plenty of action, and the innate politics of power are distinctive traits of this acclaimed World War II–set series....The theme of Swiss complicity with the Nazis and their profiteering is absorbing and should appeal to historical fiction fans, mystery readers, and military buffs."
—Library Journal

“Billy Boyle gets better and better. This is a must-read series.”
–Lee Child

Blue Madonna has been named one of the Top 25 novels of 2016 by The Strand Magazine!

“Benn's 11th Billy Boyle mystery has snappy dialogue, satisfying action scenes, and much interesting history about D-Day. ”
—Kirkus Reviews

“The suspenseful story line, set on the eve of the Normandy invasion in 1944, will keep readers turning the pages ... Benn movingly depicts Nazi cruelties that Boyle and his comrades witness.”
—Publishers Weekly

“A non-stop action story that adds in the golden nugget of a really cool history lesson.”
—Suspense Magazine

"...the stuff of exciting fiction...By moving the action to Nazi-held France, Benn opens the story to the derring-do of the French Resistance: blowing bridges, hiding in tunnels, outfoxing Nazis, et al. This is a thoroughly entertaining, well-told war adventure..."

"...readers will be completely seduced by the series’ usual wit, fascinating historical details, and relentless action even as the cumulative toll of war on Boyle and company adds even more depth and complexity to the characters."
—Rick Koster, The Day (New London CT)

The tension between a murder investigation and wartime action has always been at the heart of this series — How can one killing matter in a world where hundreds die every day? — but here it is ramped up to a new level, in terms of both suspense and character development. Working with recently declassified documents about the Solomon Islands Campaign, Benn spins an absolute corker of a war story. The best of an always satisfying series.
–BOOKLIST, starred review, on The White Ghost

A complex tale that maps the human cost of warfare in the South Pacific — and delivers a deft portrait of a young Jack Kennedy struggling to recover from the losses of PT-109. Poignant and riveting.
—Francine Mathews, author of JACK 1939

Barry-Award nominated The Rest Is Silence

Benn offers a thrilling mix of fact and fiction in his ninth whodunit featuring Boston cop-turned-army investigator Billy Boyle...the path to the truth is appropriately complex. The affable and capable Boyle continues to grow as a character, and Benn effectively uses the impending Allied invasion of Europe as the background for the whodunit plot.
—Publisher's Weekly

This Billy Boyle World War II mystery is an exceptionally written book…the plot and historical sights and sounds are top-notch. Whether a reader holds WWII books or suspense books close to their heart, this one will be a true find.
—Suspense Magazine

A double-edged sword of a novel. A ripping murder mystery and a meditation on the terrible costs of war—hidden and otherwise.
—Reed Farrel Coleman