Sierra Six is the eleventh novel in the Gray Man series of thriller novels by Mark Greaney.
Overview[]
It’s been years since the Gray Man’s first mission, but the trouble’s just getting started in the latest entry in the #1 New York Times bestselling series.
Before he was the Gray Man, Court Gentry was Sierra Six, the junior member of a CIA action team.
In their first mission they took out a terrorist leader, at a terrible price. Years have passed. The Gray Man is on a simple mission when he sees a ghost: the long-dead terrorist, but he’s remarkably energetic for a dead man.
A decade of time hasn’t changed the Gray Man. He isn’t one to leave a job unfinished or a blood debt unpaid.
Book 11: Sierra Six (2022)[]
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| The Gray Man Series | |
|---|---|
| Novels |
01. The Gray Man (novel) • 02. On Target (novel) • 03. Ballistic (novel) • 04. Dead Eye (novel) • 05. Back Blast (novel) • 06. Gunmetal Gray (novel) • 07. Agent in Place (novel) • 08. Mission Critical (novel) • 09. One Minute Out (novel) • 10. Relentless (novel) • 11. Sierra Six (novel) • 12. Burner (novel) • 13. The Chaos Agent (novel) • 14. Midnight Black (novel) |
| Film | |