Mark Greaney Books in Order
Mark Greaney has written 25 books, published between 2009 and 2026. The first book is The Gray Man (2009) and the newest is The Hard Line (2026). One more title is announced: Dark Union (2027). Publication order is the reading order below.
- Books
- 25 + 1 announced
- Published
- 2009–2026
- Confirmed
- 26 of 26 titles
- Pages on record
- 10,042 in 17 of 26 books
- Reading time
- 167–251 hours
Reading time is an estimate, not a recorded figure: 10,042 pages at 300 words a page, read at 200–300 words a minute, covering the 17 of 26 titles with a page count on record.
Mark Greaney, born July 11, 1967, is an American thriller writer. The Gray Man novels follow Court Gentry, an assassin and CIA operative, and began with The Gray Man in 2009. Greaney co-wrote the last works of Tom Clancy and carried the Jack Ryan books forward from 2013 to 2017. The catalogue counts 26 books through The Hard Line (2026), with Dark Union announced for 2027. A Joshua Duffy series and standalone novels complete the list.
In the Gray Man series, Court Gentry is forced to go on the run after a betrayal, shifting his role from hunter to hunted.
How many Mark Greaney books are there?
Mark Greaney has 25 published books, released between 2009 and 2026. They include 2 separate series. One more, Dark Union (2027), is announced.
Mark Greaney Books in Publication Order
The table lists all 26 Mark Greaney books in the order they were released, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.
- 12009–3/4
- 22010–3/4
- 320114673/4
- 420118533/4
- 520128353/4
- 620132793/4
- 720137393/4
- 820145033/4
- 920146743/4
- 1020157183/4
- 1120165133/4
- 1220167423/4
- 1320174943/4
- 1420185073/4
- 1520196383/4
- 1620195283/4
- 172020–3/4
- 1820214963/4
- 192022–3/4
- 2020225283/4
- 2120235283/4
- 222024–3/4
- 232024–4/4
- 242025–3/4
- 252026–3/4
- 262027–3/4
Mark Greaney characters in order
The character linked below has its own reading-order page.
- Court Gentry books in order 15 books
Mark Greaney books grouped by series
Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.
Court Gentry / Gray Man in order
16 books- 1. The Gray Man
- 2. On Target
- 3. Ballistic
- 4. Dead Eye
- 5. Back Blast
- 6. Gunmetal Gray
- 7. Agent in Place
- 8. Mission Critical
- 9. One Minute Out
- 10. Relentless
- 11. Sierra Six
- 12. Burner
- and 4 more in the table above
Jack Ryan Universe in order
7 booksJoshua Duffy in order
2 booksMark Greaney Standalone Novels
1 book1 title published under this heading without a numbered place in a series.
Mark Greaney Books in Chronological Order
By publication date, the Mark Greaney books run from The Gray Man (2009) to The Hard Line (2026), the sequence in the table above. No separate story order is recorded for Mark Greaney in the book listings this catalogue merges, so publication order is the only order on record.
Do you have to read Mark Greaney books in order?
You only need to read Mark Greaney books in order within each series: the books listed here span 2 separate series, and each series has its own publication order.
What order should you read Mark Greaney books in?
Read them in publication order, starting with The Gray Man (2009), the first Court Gentry book. It is also the earliest catalogued title.
What is the newest Mark Greaney book?
The Hard Line (2026) is the newest Mark Greaney book released so far.
Is there a new Mark Greaney book coming?
Yes. Dark Union (2027) is the next Mark Greaney book announced in the catalogue. A publication year announced this far ahead moves, so it is worth rechecking: every announced title dated after 2026 sits on the upcoming book releases page.
Printable Mark Greaney Books in Order Checklist
A printable checklist of all 26 books in publication order is on the Mark Greaney reading checklist, with a tick box beside each title.
Mark Greaney at a glance
- Still publishing
- Mark Greaney is still publishing. Dark Union is announced for 2027.
- Release pace
- Mark Greaney books have appeared more than one a year on average.
- Length
- 10,042 pages across the 17 of 26 books with a recorded length, a median of 528 pages each.
- Busiest decade
- Most Mark Greaney books, 15 of 26, were published in the 2010s.
- Corroboration
- 1 of the 26 titles appear in all four independent book listings, and every one of them in at least three.
What the Mark Greaney books are about
20 of the 26 Mark Greaney books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: assassins is tagged on 9 of 20. The subjects are cataloguers’ headings, not a plot summary.
- Assassins 9 of 20 books
- Thrillers 9 of 20 books
- Espionage 7 of 20 books
- Suspense 6 of 20 books
- Action & adventure 5 of 20 books
- War & military 3 of 20 books
- Criminals 2 of 20 books
- Intelligence officers 2 of 20 books
- John Clark (Fictitious character) 2 of 20 books
- Political fiction 2 of 20 books
Other Action / Thriller authors
Each link below opens a reading-order page with every book in publication order.
- Action / Thriller authors and series in order
- David Baldacci books in order 71 books
- Tom Clancy books in order 72 books
- Jack Carr books in order 10 books
- Karin Slaughter books in order 39 books
- Lisa Gardner books in order 48 books
- Clive Cussler books in order 104 books
- Mick Herron books in order 25 books
- James Rollins books in order 48 books