Quick Facts
| Author | Mark Greaney |
| Narrator | Jay Snyder |
| Runtime | 15h58m |
| Published | February 15, 2022 |
| Rating | 4.8 / 5 (1,641 ratings) |
| Categories | Mystery, Thriller & Suspense, Thriller & Suspense, Spies & Politics, Espionage, Political |
| Format | Audiobook (Digital) |
| Platform | Audible |
About This Audiobook
*Sierra Six* isn’t just another entry in Mark Greaney’s blockbuster series—it’s the origin story that redefines the Gray Man’s legend. This isn’t a by-the-numbers spy thriller; it’s a brutal, kinetic dive into Court Gentry’s early days as a CIA operative, where every mission feels like a high-stakes chess match with bullets instead of pawns. Greaney strips away the mythos to show the making of an assassin, blending tradecraft precision with raw survival instinct. The prose is lean but never sparse, packing each scene with the kind of tactical detail that thrill junkies crave without bogging down the momentum.
Jay Snyder’s narration is a masterclass in understated intensity. His gravelly, no-nonsense delivery mirrors Gentry’s own voice—dry, weary, but razor-sharp when it counts. Snyder doesn’t just read the action; he *embodies* it, from the clipped urgency of fire fights to the sardonic humor lurking beneath Gentry’s deadpan observations. The audio production is crisp, with a dynamic range that makes gunfire crackle and whispered conspiracies feel dangerously intimate. If you’ve ever wondered how a 16-hour audiobook can feel like a sprint, this is your answer.
Why Listen to Sierra Six?
- Expert narration by Jay Snyder brings every character and scene to life across 15h58m of immersive audio.
- Highly rated at 4.8 stars by 1,641 listeners.
- Free with your Audible trial — keep the audiobook forever even if you cancel.
- Perfect for commutes, workouts, and relaxation. Listen anywhere, anytime.
Editor's Review
AudioBook Atlas
Download: Sierra Six
Some links on this page are affiliate links. If you make a purchase through one of them, we may earn a small commission at no extra cost to you.
Sierra Six by Mark Greaney is an immersive listening experience. Performed by Jay Snyder with a runtime of 15h58m, you can start with a free trial that you can cancel at any time. The audiobook remains yours forever, even if you end the trial.