Book Reporter—One of the Favorite Books of the Year
Aunt Agatha’s—One of the Best Historical Mysteries of the Year

"An exceptional historical murder mystery." –Wall Street Journal

“If you like to mix history with your mystery, then this propulsive novel set in World War II London should be on your TBR list. . . This is a superbly constructed whodunit that pays homage to Agatha Christie’s locked-room mysteries.” –Oprah Daily

“Kelly's narrative zips along. . . a well-plotted start to an entertaining new series.” –Shelf Awareness

"Romance, feminism, and historical detail combine in an exciting new series." –Kirkus Reviews

“A cast of opinionated side characters and a wealth of fascinating historical details add to the fun in this engaging, atmospheric series kickoff.” –BookPage

“This was a blast of a read. . . Pacing, suspense, and a wonderful mystery make this book a real stand out in a crowded field of WWII books.” –Aunt Agatha’s

“A cross between a Nancy Drew mystery and an Agatha Christie tale. . .its gentle humor, unexpected twists, clever heroine, and wartime setting make it a pleasurable read.” –Booklist

“Embedded within the strong narrative is a theme of espionage and mystery, rather than guns and bloodshed. Kelly weaves a story around her well-established foundation and keeps the reader guessing until the final pages of this book.” –Mystery and Suspense

"Julia Kelly masterfully weaves history into gripping intrigue in this riveting WWII murder mystery. Evelyne Redfern is exactly the kind of intrepid, plucky heroine I love to root for and the details of Churchill’s cabinet war rooms were spot on and fascinating."—Madeline Martin

"Call the Midwife meets Mr. Churchill's Secretary in this riveting and atmospheric mystery set in wartime London... Sharp, charming, and fast-paced, A Traitor in Whitehall marks a stellar debut for a winning and original heroine."—Mariah Fredericks