The Gray Man books in order A series by Mark Greaney
The Gray Man series by Mark Greaney has 15 books (14 novels and 1 shorter work), from The Gray Man (2009) to The Hard Line (Feb 2026). Read it in order, starting with The Gray Man. The next book, Dark Union, is due 2027.
Reading order: 1 The Gray Man (2009) · 2 On Target (2012) · 3 Ballistic (2011) · 4 Dead Eye (2013) · 5 Back Blast (2016) · 6 Gunmetal Gray (2018) · 7 Agent in Place (2018) · 8 Mission Critical (2019) · 9 One Minute Out (2020) · 10 Relentless (2021) · … all 15 below
Updated September 2026
All 15 The Gray Man books in order
- 1.
The Gray Man (2009)
- 2.
On Target (2012)
- 3.
Ballistic (2011)
- 4.
Dead Eye (2013)
- 5.
Back Blast (2016)
- 6.
Gunmetal Gray (2018)
- 7.
Agent in Place (2018)
- 8.
Mission Critical (2019)
- 9.
One Minute Out (2020)
- 10.
Relentless (2021)
- 11.
Sierra Six (2022)
- 12.
Burner (2023)
- 13.
Chaos Agent (2024)
- 14.
Midnight Black (2025)
- 15.
The Hard Line (Feb 2026)
- 16.
Dark Union (2027, upcoming)
The Gray Man on screen
- The Gray Man (2022)Film · from The Gray Man
The Gray Man FAQ
- How many The Gray Man books are there?
- There are 15 The Gray Man books, with 1 more announced, as of September 2026.
- What order should I read the The Gray Man books in?
- In publication order, starting with The Gray Man (2009): 1 The Gray Man (2009) · 2 On Target (2012) · 3 Ballistic (2011) · 4 Dead Eye (2013) · 5 Back Blast (2016) · 6 Gunmetal Gray (2018) · … all 15 below.
- What is the first The Gray Man book?
- The Gray Man (2009).
- What is the latest The Gray Man book?
- The Hard Line (Feb 2026). The next one, Dark Union, is due 2027.
- Is the Gray Man series finished?
- No, Mark Greaney is still adding to it: Dark Union is due 2027.
- Did Mark Greaney write other series?
- Yes: Ryanverse.
More series by Mark Greaney
All Mark Greaney booksRyanverse
4 books
Sources: series order and dates from Wikidata and Open Library. Last updated September 2026.