4400 (with Dayton Ward)
2. Wet Work (2008)

Star Trek : S. C. E.
4. Interphase, Book 1 (2001) (with Dayton Ward)
5. Interphase, Book 2 (2001) (with Dayton Ward)
17. Foundations (2002) (with Dayton Ward)
18. Foundations Book 2 (2002) (with Dayton Ward)
19. Foundations Book 3 (2002) (with Dayton Ward)
25. Home Fires (2003) (with Dayton Ward)
44. Where Time Stands Still (2004) (with Dayton Ward)
64. Distant Early Warning: Whats Past Book 4 (2006) (with Dayton Ward)
What's Past (2010) (with Keith R A DeCandido, Heather Jarman, Steve Mollmann, Terri Osborne, Michael Schuster, Dayton Ward and Richard C White)

Star Trek : S. C. E. (Omnibus) (with Keith R A DeCandido, David Mack and Dayton Ward)
2. Miracle Workers (2002)

A Time To... (with Dayton Ward)
3. A Time to Sow (2004)
4. A Time to Harvest (2004)

Star Trek : Vanguard
2. Summon the Thunder (2006) (with Dayton Ward)
5. Declassified (2011) (with David Mack, Marco Palmieri and Dayton Ward)
What Judgments Come (2011) (with Dayton Ward)

Star Trek : Mere Anarchy (with Dayton Ward)
1. Things Fall Apart (2006)

Star Trek : Corps of Engineers (with Dayton Ward)
Turn the Page (2006)

Star Trek
Mirror Universe: Glass Empires (2007) (with Greg Cox, David Mack, Michael Sussman and Dayton Ward)
That Which Divides (2012) (with Dayton Ward)