Fey

1. The Sacrifice (1995)
2. The Changeling (1996)
3. The Rival (1997)
4. The Resistance (1998)
5. Victory (1998)

The Tenth Planet (with Dean Wesley Smith)

1. The Tenth Planet (1999)
2. Oblivion (2000)
3. The Final Assault (2000)

Black Throne

1. The Black Queen (1999)
2. The Black King (2000)

Roswell (with Dean Wesley Smith)

• No Good Deed (2001)
• Little Green Men (2002)

Retrieval Artist

• The Disappeared (2002)
• The Retrieval Artist: And Other Stories (2002)
• Extremes (2003)
• Consequences (2004)
• Buried Deep (2005)

Without A Trace

• Safe Harbor (2005)

Star Trek

• The Original Series
  • Invasion Omnibus (1998) (with Dafydd ab Hugh, Diane Carey and Dean Wesley Smith)
  • Thin Air: New Earth 5 (2000) (with Diane Carey and Dean Wesley Smith)
• The Next Generation
  • The Soldiers of Fear: Invasion! 2 (1996) (with Dean Wesley Smith)
  • Vectors: Double Helix 2 (1999) (with Dean Wesley Smith)
  • Double Helix Omnibus (2002) (with John Gregory Betancourt, Diane Carey, Peter David, Michael Jan Friedman, Christie Golden, Dean Wesley Smith and John Vornholt)
• Deep Space Nine
  • The Big Game (1993) (writing as Sandy Schofield)
  • The Long Night (1995) (with Dean Wesley Smith)
• Voyager (with Dean Wesley Smith)
  • The Escape (1995)
  • Echoes (1997)
• Day of Honor
  • Treaty's Law (1997) (with Dean Wesley Smith)
• Section 31 (with Dean Wesley Smith)
  • Shadow (2001)

Aliens (writing as Sandy Schofield)

• Rogue (1995)

Star Wars

• The New Rebellion (1996)
• Star Wars Diplomatic Corps Entrance Exam (1997)

Quantum Leap (writing as Sandy Schofield)

• Loch Ness Leap (1997)

X-Men (with Dean Wesley Smith)

• The X-Men (2000)

Afterimage (1992) (with Kevin J Anderson)

Aftershock (1998) (with Kevin J Anderson)

Traitors (1988)

The White Mists of Power (1991)

The Gallery of His Dreams (1991)

Facade (1993)

Heart Readers (1993)

Alien Influences (1994)

Sins of the Blood (1994)

The Devil's Churn (1996)

Hitler's Angel (1997)

Enterprise by the Book (2001) (with Dean Wesley Smith)

Fantasy Life (2001)

Stained Black: Horror Stories (1992)(coll)

Stories for an Enchanted Afternoon (2001)(coll)

Little Miracles: And Other Tales of Murder (2001)(coll)

Millennium Babies (2001)(coll)

The Best of Pulphouse: The Hardback Magazine (1991)(edited)

The Best from Fantasy and Science Fiction: A 45th Anniversary Anthology (1994)(edited)(with Edward L Ferman)

The Best of Pulphouse: The Hardback Magazine(edited)

The Professional Writer's Guide to Writing Professionally (1991) (with Dean Wesley Smith)(NF)

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