The Gray Man · Book 15

The Hard Line

Published
17 February 2026
Pages
753
ISBN-13
9780593954812
Type
novel
Cover of The Hard Line

About this book

The Hard Line was published in February 2026, the fifteenth and most recent Gray Man novel, with a sixteenth, Dark Union, already scheduled for February 2027. It runs 753 pages.

Key facts about The Hard Line

The Hard Line is a novel by Mark Greaney. Readers have had it since 17 February 2026. It runs to 753 pages.

Our list holds 1 edition of The Hard Line. Since each edition has its own ISBN, search for 9780593954812 to find the main one.

The Hard Line is book 15 of 15 in The Gray Man series. The series has 15 published books. However, the series starts with The Gray Man (2009).

It is also the latest book in the series with a full release date. 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. It is also the latest published Mark Greaney book on file.

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

The Hard Line is book 15 in the The Gray Man series. It follows Midnight Black. 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…

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