Killer Knockout Audiobook By Mary Stone cover art

Killer Knockout

Virtual Voice Sample

Audible Standard 30-day free trial

Try Standard free
Select 1 audiobook a month from our entire collection of titles.
Yours as long as you’re a member.
Get unlimited access to bingeable podcasts.
Standard auto renews for $8.99 a month after 30 days. Cancel anytime.

Killer Knockout

By: Mary Stone
Narrated by: Virtual Voice
Try Standard free

$8.99 a month after 30 days. Cancel anytime.

Buy for $7.99

Buy for $7.99

Background images

This title uses virtual voice narration

Virtual voice is computer-generated narration for audiobooks.

Sometimes you win, and sometimes you die.


On the verge of finding the person who ordered their fathers’ deaths, Special Agents Stella Knox and Hagen Yates are diverted by another murder. A kickboxer whose body is discovered with two bullet holes in his head. Stranger still is a pattern of dead boxers around the state.

Are the murders linked to organized crime? A serial killer? A grudge? Or something more disturbing?

Getting information about the illegal world of underground boxing would be next to impossible without the FBI’s Nashville violent crime unit’s inside connection—Special Agent Chloe Foster, a special agent who lives a secret double life in the ring. But as Chloe works undercover, the deeper she’s sucked into her role.

As the trail of bodies grows, Stella knows they must find the killer, and fast, before Chloe faces the fight of her life...for her life.

Puzzling and action-packed, Killer Knockout is the eighth book in the Stella Knox Series by bestselling author Mary Stone and Stacy O’Hare—a thriller that will make you question just how far someone will go to win.

Scroll up to grab your copy today!
Crime Crime Thrillers Murder Mystery Police Procedurals Thriller & Suspense Detective
All stars
Most relevant
AI voice performance was horrible. Inflections, out of place, mispronunciations, run on sentences, it was really hard to listen to. If it wasn't the eighth book in the series I had too much invested in, I would have turned it off. Please put people back on the payroll. Leave AI alone.

AI voice performance

Something went wrong. Please try again in a few minutes.