Titles by Mercedes Lackey marked with tag: alternate history
- 2019 - The Case of the Spellbound Child
- 2018 - Avalanche with Veronica Giguere and Dennis Lee and Cody Martin
- 2018 - The Bartered Brides
- 2017 - A Scandal in Battersea
- 2016 - A Study in Sable
- 2015 - Bury My Heart with Cody Martin
- 2014 - Blood Red
- 2014 - Collision with Veronica Giguere and Dennis Lee and Cody Martin
- 2013 - Burdens of the Dead with Eric Flint and Dave Freer
- 2013 - Revolution with Veronica Giguere and Dennis Lee and Cody Martin
- 2013 - Steadfast
- 2012 - Home from the Sea
- 2012 - World Divided with Veronica Giguere and Dennis Lee and Cody Martin
- 2011 - Invasion with Dennis Lee and Steve Libbey and Cody Martin
- 2011 - Unnatural Issue
- 2010 - Much Fall of Blood with Eric Flint and Dave Freer
- 2007 - Reserved for the Cat
- 2005 - The Wizard of London
- 2004 - Phoenix and Ashes
- 2003 - This Rough Magic with Eric Flint and Dave Freer
- 2002 - The Gates of Sleep
- 2002 - The Shadow of the Lion with Eric Flint and Dave Freer
- 2001 - The Serpent's Shadow
- 1995 - The Fire Rose