Gallagher, Diana G
Chronological Checklist
- The Alien Dark (Lake Geneva, Wisconsin: TSR Books, 1990)
- Alex, You're Glowing! (New York: Pocket Books/Minstrel, 1995)
- Arcade (New York: Pocket Books/Minstrel, 1995)
- Bet You Can't! (New York: Pocket Books/Minstrel, 1995)
- Witch Hunt! (New York: Pocket Books/Minstrel, 1995)
- The Chance Factor (New York: Pocket Books/Minstrel, 1997) with Martin R Burke
- Showdown at the Mall (New York: Pocket Books/Archway, 1997)
- Day of Honor: Honor Bound (New York: Pocket Books, 1997)
- Halloween Havoc (New York: Pocket Books/Archway, 1997)
- The Tale of the Pulsating Gate (New York: Pocket Books/Minstrel, 1998)
- Lotsa Luck (New York: Pocket Books/Archway, 1998)
- Now You See Her, Now You Don't (New York: Pocket Books/Archway, 1998)
- Dog Day Afternoon (New York: Pulse, 1999)
- Invasion (New York: Simon and Schuster/Aladdin Books, 1999)
- Obsidian Fate (New York: Pocket Books, 1999)
- Shamrock Shenanigans (New York: Pocket Books/Archway, 1999)
- Bridal Bedlam (New York: Pocket Books/Archway, 1999)
- Prime Evil (New York: Pocket Books, 2000)
- Worth a Shot (New York: Pulse, 2000)
- Doomsday Deck (New York: Pocket Pulse, 2000)
- Reality Check (New York: Pocket Books/Archway, 2000)
- Beware What You Wish (New York: Pocket Pulse, 2001)
- Wake-Up Call (New York: Pocket Books/Archway, 2001)
- From the Horse's Mouth (New York: Pocket Books/Archway, 2001)
- Spirit of the Wolf (New York: Simon Pulse, 2002)
- Dark Vengeance (New York: Simon Pulse, 2002)
- Shadows (New York: Warner Books/Aspect, 2003)
- Mist and Stone (New York: Simon Pulse, 2003)
- Angel: The Casefiles: Volume 2 (London: Pocket Books, 2004) with Paul Ruditis
- Spaceship Blue Typhoon (New York: Grosset and Dunlap, 2005)
- Spark and Burn (New York: Simon Spotlight Entertainment, 2005)
- Mystic Knoll (New York: Simon Spotlight Entertainment, 2005)
- Bad Bargain (New York: Simon Spotlight Entertainment, 2006)
- Hurricane Hex (New York: Simon Spotlight Entertainment, 2006)
- Trickery Treat (New York: Simon Spotlight Entertainment, 2008)
- Buffy the Vampire Slayer 2 (New York: Simon Pulse, 2010)