Eric Flint

Belisarius (with David Drake)
   1. An Oblique Approach (1998)
   2. In the Heart of Darkness (1998)
   3. Destiny's Shield (1999)
   4. Fortune's Stroke (2000)
   5. The Tide of Victory (2001)
   6. The Dance of Time (2006)

Rats, Bats and Vats (with Dave Freer)
   1. Rats, Bats and Vats (2000)
   2. The Rats, the Bats and the Ugly (2004)
   2.5. Crawlspace (2011)
   2.75. The Genie Out of the Vat (2011)
   Crawlspace and Other Stories (2011)

Joe's World
   1. The Philosophical Strangler (2001)
   2. Forward the Mage (2002) (with Richard Roach)

Pyramid (with Dave Freer)
   1. Pyramid Scheme (2001)
   2. Pyramid Power (2007)

General (Raj Whitehall)
   8. The Tyrant (2002) (with David Drake)

Heirs of Alexandria
   1. The Shadow of the Lion (2002) (with Dave Freer and Mercedes Lackey)
   2. This Rough Magic (2003) (with Dave Freer and Mercedes Lackey)
   3. Much Fall of Blood (2010) (with Dave Freer and Mercedes Lackey)
   4. Burdens of the Dead (2013) (with Dave Freer and Mercedes Lackey)
   5. All the Plagues of Hell (2018) (with Dave Freer)

Crown of Slaves (with David Weber)
   1. Crown of Slaves (2003)
   2. Torch of Freedom (2009)
   3. Cauldron of Ghosts (2014)
   4. To End in Fire (2021)

Jao
   1. The Course of Empire (2003) (with K D Wentworth)
   2. The Crucible of Empire (2010) (with K D Wentworth)
   3. The Span of Empire (2016) (with David Carrico)

Trail of Glory
   1. 1812: The Rivers of War (2005)
   2. 1824 (2006)

Boundary (with Ryk E Spoor)
   1. Boundary (2006)
   2. Threshold (2010)
   3. Portal (2013)
   4. Castaway Planet (2015)
   5. Castaway Odyssey (2016)
   6. Castaway Resolution (2020)

Belisarius Omnibus (with David Drake)
   1. Thunder at Dawn (2008)
   2. Storm at Noontide (2009)
   3. The Flames of Sunset (2009)

Gods of Sagittarius (with Mike Resnick)
   1. Gods of Sagittarius (2017)

Queen of the Sea (with Paula Goodlett and Gorg Huff)
   1. The Alexander Inheritance (2017)
   2. The Macedonian Hazard (2021)

Demon Rift (with Paula Goodlett and Gorg Huff)
   1. The Demons of Paris (2018)
   2. The Demons of Constantinople (2020)

   Mother of Demons (1997)
   A Slow Train to Arcturus (2008) (with Dave Freer)
   Iron Angels (2017) (with Alistair Kimble)
   Venus, Mars and Hell (2019) (with John Lambshead)
   Diamonds Are Forever (2020) (with Ryk E Spoor)

   Odyssey (2002) (with Keith Laumer)
   The Warmasters (2002) (with David Drake and David Weber)
   Mountain Magic (2004) (with David Drake, Henry Kuttner and Ryk E Spoor)
   Worlds (2009)
   Worlds 2 (2018)

   Pirates of the Suara Sea (2011) (with Dave Freer)
   Red Fiddler (2011) (with Dave Freer)
   The Witch's Murder (2011) (with Dave Freer)

Ring of Fire
   1. 1632 (2000)
   2. 1633 (2002) (with David Weber)
   3. 1634 (2004) (with Andrew Dennis)
   4. 1634: The RAM Rebellion (2006) (with Virginia DeMarce)
   5. 1634: The Baltic War (2007) (with David Weber)
   6. 1634: The Bavarian Crisis (2007) (with Virginia DeMarce)
   7. 1635: Cannon Law (2006) (with Andrew Dennis)
   8. 1635: The Dreeson Incident (2008) (with Virginia DeMarce)
   9. 1635: The Tangled Web (2009) (with Virginia DeMarce)
   10. 1635: The Papal Stakes (2012) (with Charles E Gannon)
   11. 1635: The Eastern Front (2010)
   12. 1636: The Saxon Uprising (2011)
   13. 1636: The Kremlin Games (2012) (with Paula Goodlett and Gorg Huff)
   14. 1636: The Devil's Opera (2013) (with David Carrico)
   15. 1636: Commander Cantrell in the West Indies (2014) (with Charles E Gannon)
   16. 1636: The Viennese Waltz (2014) (with Paula Goodlett and Gorg Huff)
   17. 1635: A Parcel of Rogues (2015) (with Andrew Dennis)
   19. 1636: The Cardinal Virtues (2015) (with Walter H Hunt)
   21. 1636: The Ottoman Onslaught (2016)
   22. 1636: Mission to the Mughals (2017) (with Griffin Barber)
   24. 1636: The Vatican Sanction (2017) (with Charles E Gannon)
   25. 1637: The Volga Rules (2017) (with Paula Goodlett and Gorg Huff)
   26. 1637: The Polish Maelstrom (2019)
   27. 1636: The China Venture (2019) (with Iver Cooper)
   28. 1636: The Atlantic Encounter (2020) (with Walter H Hunt)
   29. 1637: No Peace Beyond the Line (2020) (with Charles E Gannon)
   31. 1637: The Peacock Throne (2021) (with Griffin Barber)
   32. Grantville Gazette IX, 32 (2021) (with Walt Boyes and Joy Ward)
   34. 1637: The Coast of Chaos (2021) (with Paula Goodlett and Gorg Huff)
   35. 1637: The Transylvanian Decision (2022) (with Robert Waters)
   36. 1638: The Sovereign States (2023) (with Paula Goodlett and Gorg Huff)

Ranks of Bronze (with David Drake and David Weber)
   2. Foreign Legions (2001)

Ring of Fire anthologies
   1. Ring of Fire (2003)
   2. Ring of Fire II (2008)
   3. Ring of Fire III (2011)
   4. Ring of Fire IV (2016)
   Medicine and Disease after the Ring of Fire (2018)

Grantville Gazette
   1. The Grantville Gazette (2004)
   2. Grantville Gazette Volume II (2006)
   3. Grantville Gazette Volume III (2006)
   4. Grantville Gazette Volume IV (2008)
   5. Grantville Gazette Volume V (2009)
   6. Grantville Gazette Volume VI (2012) (with Paula Goodlett)
   7. Grantville Gazette VII (2011) (with Paula Goodlett)
   8. Grantville Gazette VIII (2011) (with Walt Boyes and Paula Goodlett)
   9. The Grantville Gazette IX (2022) (with Walt Boyes and Joy Ward)

Witches of Karres
   2. The Wizard of Karres (2004) (with Dave Freer and Mercedes Lackey)
   3. The Sorceress of Karres (2010) (with Dave Freer)
   4. The Shaman of Karres (2020) (with Dave Freer)

Ring of Fire Universe (with Marilyn Kosmatka)
   1. Time Spike (2008)

Stellar Guild
   The Aethers of Mars (2014) (with Charles E Gannon)
   Stellar Guild Box Set One (omnibus) (2017) (with Kevin J Anderson, Charles E Gannon and Steven Savile)

Clan of the Claw (with Mercedes Lackey, Jody Lynn Nye and S M Stirling)
   2. By Tooth and Claw (2015)

Arcane America (with Walter H Hunt)
   2. Council of Fire (2019)

   The World Turned Upside Down (2005) (with Jim Baen and David Drake)
   The Best of Jim Baen's Universe (2007)
   The Dragon Done It (2008) (with Mike Resnick)
   The Best of Jim Baen's Universe II (2008) (with Mike Resnick)
   When Diplomacy Fails (2008) (with Mike Resnick)

   Conversations From the Edge: The Galaxy's Edge Interviews (2019) (with Peter S Beagle, Greg Bear, David Brin, Terry Brooks, Lois McMaster Bujold, Larry Dixon, David Drake, David Gerrold, Joe Haldeman, Kij Johnson, Nancy Kress, Mercedes Lackey, Jack McDevitt, George R R Martin, Larry Niven, Jerry Pournelle, Mike Resnick, Robert J Sawyer, Robert Silverberg, Harry Turtledove, Joy Ward, David Weber, Toni Weisskopf, Connie Willis and Gene Wolfe)