“Highly entertaining . . . Winslow’s fans and newcomers alike will find lots to love.” —Publishers Weekly, starred review

With events spanning both world wars, the tenth installment in the Lane Winslow mystery series—which first began with the bestselling adventure A Killer in King's Cove—is a transatlantic tale of sibling rivalry, infidelity, and espionage.

It’s an early morning in May when Lane is pulled from a deep sleep by a concerning phone call from Scotland—her grandfather has had a heart attack. Lane hastily makes plans to fly overseas, and a dejected Inspector Darling prepares himself for a stint of bachelorhood. But before he can begin to dwell on it the Nelson Police learn that Ben Arden, a local cad, has gone out for a late-night boat ride and not returned, which immediately sets the town rumour mill churning.

In Scotland Lane finds her grandfather on the mend but her estranged sister Diana caught up in stressful—and mysterious—circumstances of her own. As Lane follows the thread leading from South Africa to Aberdeen to the War Office in London it becomes apparent that her sister is on the run, and that keeping secrets seems to be a Winslow family trait.

Back at the Nelson Police station a strange assemblage of clues begins to amass around the Arden case, stretching from the local printshop all the way back to the Great War. But progress is interrupted when the mayor himself issues a demand that Darling travel to England to tie up a decades-old mystery with local connections. True to form, upon Darling’s arrival in London he is quickly swept up in Lane’s mission, which threatens to endanger the entire family.

Iona Whishaw was born in British Columbia. After living her early years in the Kootenays, she spent her formative years living and learning in Mexico, Nicaragua, and the US. She travelled extensively for pleasure and education before settling in the Vancouver area. Throughout her roles as youth worker, social worker, teacher, and award-winning high school principal, her love of writing remained consistent, and compelled her to obtain her master’s in creative writing from the University of British Columbia. Iona has published short fiction, poetry, poetry translation, and one children’s book, Henry and the Cow Problem. A Killer in King’s Cove was her first adult novel. Her heroine, Lane Winslow, was inspired by Iona’s mother who, like her father before her, was a wartime spy. Visit ionawhishaw.com to find out more.

Iona Whishaw's profile page

Praise for To Track a Traitor (#10)

Shortlisted for the Crime Writers of Canada's Whodunit Award for Best Traditional Mystery

"Highly entertaining . . . Whishaw makes smooth transitions between a dizzying number of locations, time periods, and points of view, all while shepherding the narrative to an immensely satisfying conclusion. Winslow’s fans and newcomers alike will find lots to love." —Publishers Weekly, starred review

"Lane is once again swept up into a family mystery in the tenth installment to the Lane Winslow Mystery series." —CBC Books

"Whishaw is the only author with two books in the top 25, with Killer in King’s Cove, the first book in the mystery series, coming in at number 24. Last year, Whishaw’s 2022 Lane Winslow mystery, Framed in Fire, was in the top 25." —Quill & Quire

Our Favourite B.C. Books From 2023 —Montecristo

"The intrigues throughout her novels are pleasant and provocative reading." —Castlegar News

“Intricately woven together, Iona Whishaw presents a stellar mystery with twists and turns in this clever novel that links crimes from two different eras and two different continents. Follow the fascinating characters as they track down the answers to one crime, only to discover it's just the beginning.” —Eliza Knight, USA Today bestselling author of Starring Adele Astaire

"What a delight! Lane and Darling are the most adorable couple I’ve met in a long time, and Whishaw’s clever insights into their post-WWII lives are crafted with such charming finesse that readers will fall in love as I did. With a cast of beguiling characters following unexpected twists and turns until the truths are finally revealed, To Track a Traitor was a joy to read. I am off to order the rest of the series!" —Genevieve Graham, #1 USA Today bestselling author of Bluebird

"From its gripping opening sentence through to its thrilling conclusion, To Track a Traitor unspools an appealing tale of family secrets, small-town murder, and cross-Atlantic intrigue. Whishaw is a master of the historical mystery, and Traitor provides Lane Winslow with her most electrifying—and personal—adventure yet." —Sam Wiebe, award-winning author of Sunset and Jericho and Hell and Gone

“An engaging, superbly crafted page turner of a mystery.” —Alan Hlad, international and USA Today bestselling author of The Long Flight Home

Praise for the Lane Winslow Mysteries

A Match Made for Murder (#7) is winner of the 2021 Bony Blithe Light Mystery Award

"The ‘find of the year’, Iona Whishaw’s Lane Winslow series is a real treat. Set after WWII, Lane has left England for Canada . . . settling in the small village of King’s Cove. With a quaint cast of characters and the feel of Louise Penny’s Three Pines, the independence and quick wit of Kerry Greenwood’s Phryne Fisher and the intelligence of Jacqueline Winspear’s Maisie Dobbs, this mystery series has it all!" —Murder by the Book, Texas

"Relentlessly exciting from start to finish." —Kirkus Reviews

"Whishaw deftly intertwines plot and psychology, giving readers insight not only into Lane's crime-solving strategies, but the perspectives and lives of her neighbors. The series also follows Lane's inner journey, from complicated family history to postwar trauma to the beginning of new love. Well plotted and laced with dry wit, Lane's adventures are entirely satisfying summer reading." —Shelf Awareness

"Iona Whishaw is a writer to watch." —Globe and Mail

"There’s no question you should read it—it’s excellent." —Toronto Star

“Iona Whishaw’s writing is worthy of taking its place alongside the works of Agatha Christie and Dorothy L Sayers. . . deftly crafted and briskly paced.” —Fiona Valpy, author of The Dressmaker’s Gift

"Another fantastic entry in the unique and compelling Lane Winslow series!" —Anna Lee Huber, author of the Lady Darby Mysteries

“I absolutely love the modern sensibility of these novels, of their feminism, sense of justice, their anti-racism, their progressiveness, which somehow never seems out of place in a tiny BC hamlet in 1948. . . But it’s never preachy or pedantic, and Whishaw continues to use her murder mysteries to explore the limitations on women’s lives and freedom that were contemporary to the period, and which are not yet so far away in the rear view mirror.” —Kerry Clare, author of Mitzi Bytes and Waiting for a Star to Fall

"Complex, suspenseful, and deeply felt, this is a smart series for the ages." —Francine Mathews, author of the Nantucket Mysteries

"Exquisitely written, psychologically deft." —Linda Svendsen, author of Sussex Drive

"Iona Whishaw has again raised the bar . . . This is seriously good storytelling." —Don Graves, Canadian Mystery Reviews

"In the vein of Louise Penny . . . a compelling series that combines a cozy setting, spy intrigue storylines, and police procedural elements—not an easy task, but one that Whishaw pulls off." —Reviewing the Evidence

"The setting is fresh and the cast endearing." —CrimeReads

"An enthralling mystery." —Historical Novel Society

"This series . . . continues to get better and better." —Reviewing the Evidence

"A simply riveting read by a master of the genre." —Wisconsin Bookwatch

"A series that’s guaranteed to please." —Mercer Island Books, Washington

"Full of history, mystery, and a glorious BC setting . . . a wonderful series." —Sleuth of Baker Street, Ontario