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Striking Range: A Timber Creek K-9 Mystery

Release Date: September 7, 2021

A deadly secret is buried in the Colorado high country–and murder is only the beginning in the seventh gripping installment of Margaret Mizushima’s Timber Creek K-9 mysteries.

He was suspect number one–the man who tried to kill Deputy Mattie Cobb and may have killed her father thirty years earlier. But when Mattie and cold case detective Jim Hauck reach the Colorado state prison where they will finally get to interview him, he’s found dead in his cell. There’s only one clue: a map leading to Timber Creek and rugged Redstone Ridge.

Though she usually works with veterinarian Cole Walker, Mattie’s K-9 partner Robo has just sired a litter of pups, who require special, time-consuming care at Cole’s clinic. Left to explore the map’s clue without him, Mattie and Robo journey into the burned forest surrounding Redstone Ridge. But before they can finish their search they’re called to help investigate the death of a young woman found in a campground filled with elk hunters. Identification of the deceased points to her having recently given birth, but the infant is nowhere to be found.

As a deadly storm descends upon the mountains, covering everything with a layer of ice and snow, Mattie and her team search for the missing newborn. The storm batters the area, taking its toll on the team and forcing the sheriff to call in reinforcements. When new evidence surfaces, they decide that finding the woman’s killer will lead them to her baby, making them even more desperate to solve the case.

Then Cole goes missing, stranded alone in the high country with a person that Mattie now suspects is the mastermind behind several murders, including her father’s. She and Robo take to the trail to find Cole–but the killer has a cold-blooded plan that threatens them all.



“Striking Range, a chilling mystery set in winter-cold Colorado, pits K-9 officer Mattie Cobb and her dog Robo against a band of ruthless killers.  Tense and satisfying.”
JA Jance

“Mizushima is a master storyteller who shows no signs of flagging. Striking Range reunites Deputy Mattie Cobb and her four legged partner Robo in a tangled and dangerous case, putting each of their skills to the test. Memorable characters, rugged setting, and a page-turning mystery. Brilliant!
Bruce Robert Coffin, award-winning author of the Detective Byron Mysteries

I’ve fallen in love with Margaret Mizushima’s Timber Creek K-9 mystery series, but I especially love Mattie Cobb and her dog Robo. This pair of crime-fighters is more skillful and better bonded than any in all of literature. In Striking Range, Mattie and Robo face their most challenging—and most personal—case. Nobody weaves a tale like Mizushima. I was mesmerized from the first page onward.”
Saralyn Richard, A Murder of Principal

“Margaret Mizushima accurately portrays the feel down the leash and the life of a K-9 handler in Striking Range and her Timber Creek K-9 series. Mizushima has created an authentic dual-purpose K-9 character while weaving together a captivating mystery that will keep the reader guessing. A must-read for all dog and mystery lovers.
Kathleen Donnelly, K-9 handler for Sherlock Hounds and mystery author

Entertaining . . . Fans will hope Mattie returns soon.”
Publishers Weekly

“The subtlety of this seventh Timber Creek K-9 mystery suggests the best of Scandinavian noir, with a nod to animal lovers.
Kirkus Reviews