Action Comics #574, December 1985
Co-written with Barbara Kesel, illustrated by Howard Bender and David Hunt
After Earth: Innocence, co-written with Michael Jan Friedman
Batman Annual #12 Robin, “The Back Up”, illustrated by Norm Breyfogle (Reprinted in Legends of the Dark Knight: Norm Breyfogle, 2015; Batman: The Caped Crusader vol. 1, 2018)
Batman Annual 13, 1989, Who’s Who pages (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
Crisis on Infinite Earths #1, April 1985
Coplotted with Marv Wolfman and George Pérez
Daily Planet #1, November 1988
Various articles
DC Comics Presents #94
Co-written with Barbara Kesel, illustrated by Tom Mandrake and Don Heck (Reprinted in Crisis on Infinite Earths Deluxe Companion Vol. 3, 2019)
Detective Comics Annual #2, Who’s Who pages (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
Direct Currents (1988) #48-49, January-February 1992
Doctor Fate Annual #1, 1988 – Who’s Who pages (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
Firestorm, The Nuclear Man #80, December 1988
“The Battle Joined!”, illustrated by Tom Grindberg and Sam De La Rosa
Green Arrow Annual #2, 1988
Who’s Who pages (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
The Question Annual #21988
Who’s Who pages (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
Scooby-Doo, Where Are You? #6, April 2011
“Sunrise of the Living Dead”, illustrated by Fabio Laguna (reprinted in Scooby-Doo, Where are You?, 2011)
Secret Origins #28, July 1998
Nightshade, illustrated by Rob Liefeld and Bob Lewis (Reprinted in Suicide Squad vol. 2 – The Nightshade Odyssey, 2014)
Star Trek #27, June 1986
“Around the Clock”, illustrated by Tom Sutton & Ricardo Villagran
Suicide Squad #38, script over John Ostrander plot, illustrated by Geoff Isherwood (Reprinted in Suicide Squad Volume 5: Apokolips Now)
Who’s Who: The Definitive Directory of the DC Universe #1-12 March 1985-February 1986 (Reprinted in Who’s Who Omnibus Vol. 1, 2021)
Who’s Who in the DC Universe #1-16, August 1990-October 1992
contributing writer (Reprinted in Who’s Who Omnibus Vol. 2, 2022)
Who’s Who In The DC Universe Update 1993 #1-3, December 1993-February 1994, contributing writer (Reprinted in Who’s Who Omnibus Vol. 2, 2022)