Sierra Six
- Published
- 15 February 2022
- Pages
- 528
- ISBN-13
- 9780751585384
- Type
- novel
About this book
Sierra Six came out in February 2022, the eleventh Gray Man novel, digging into Court Gentry's own past as a CIA-trained killer alongside the series' usual kinetic action. It runs 528 pages.
Key facts about Sierra Six
Sierra Six is a novel by Mark Greaney. Readers have had it since 15 February 2022. It runs to 528 pages.
Our list holds 3 editions of Sierra Six. Since each edition has its own ISBN, search for 9780751585384 to find the main one.
Sierra Six is book 11 of 15 in The Gray Man series. The series has 15 published books. However, the series starts with The Gray Man (2009).
The Hard Line is the latest book in the series with a full release date, out on 17 February 2026. Meanwhile, Dark Union comes next, with an announced date of 16 February 2027.
Additionally, Mark Greaney writes Jack Ryan as a separate series. Those series sit on our thriller shelf. Meanwhile, The Hard Line is the latest published Mark Greaney book on file, from 17 February 2026.
About Mark Greaney
Mark Greaney spent more than twenty years bartending, waiting tables and working office jobs in his native Memphis — starting a novel in 1990 as a University of Memphis student and not finishing it for fifteen years — before The Gray Man (2009) turned him into a bestselling thriller writer almost overnight. See every Mark Greaney book in order.
Its place in The Gray Man
Sierra Six is book 11 in the The Gray Man series. It follows Relentless. It is followed by Burner. See the full The Gray Man reading order.
Court Gentry — the Gray Man — is a disavowed former CIA black-ops asset who now works as one of the world's most sought-after freelance assassins, taking on jobs (and increasingly, off-book missions for old CIA handlers) that pit him against rival intelligence services, cartels, private military contractors and other elite killers. Mark Greaney writes brutally kinetic, tradecraft-heavy action that unfolds in real geopolitical hotspots, and the series has only gotten bigger in scope as it's gone on: later books…
Editions
- edition · unknown publisher · — · ISBN 9780593098998
- edition · unknown publisher · — · ISBN 9780593099001
- edition · unknown publisher · — · ISBN 9780593099018