-
A Whiff of Madness
DAW • 1976
-
Big Bang
DAW • 1982
-
Capricorn One
Fawcett Gold Medal Books • 1978
-
Comic Book Encyclopedia: The Ultimate Guide to Characters, Graphic Novels, Writers, and Artists in the Comic Book Universe
Harpercollins • 2004
-
Elementary, My Dear Groucho: A Mystery featuring Groucho Marx (Mysteries Featuring Groucho Marx)
St Martins Pr • 1999
-
Goulart, Ron
Ace • 1970
-
Groucho Marx, Master Detective
St Martins Pr • 1998
-
Groucho Marx, Private Eye
St Martins Pr • 1999
-
Hail Hibbler
Open Road Integrated Media, Inc. • 2012
-
Harry Challenge
Wildside Press, LLC • 2015
-
Nutzenbolts and more troubles with machines
Macmillan Pub Co • 1975
-
Odd job #101, and other future crimes and intrigues
Scribner • 1974
-
The Curse of the Obelisk
Avon Books • 1987
-
The Dime Detectives
Grand Central Pub • 1988
-
The Funnies: 100 Years of American Comic Strips
Adams Media Corp • 1995
-
The Great Comic Book Artists
St Martins Pr • 1986
-
What's become of screwloose? and other inquiries
Scribner • 1971