Spy vs. Spy
The All New Mad Secret File on Spy vs. Spy, Signet 1965. Reprinted Warner Books, 1971, and Watson-Guptill in 2009.
Spy vs. Spy Follow Up File, Signet 1968. Reprinted Warner Books, 1971, and Watson-Guptill in 2009.
The Third Mad Dossier of Spy vs. Spy, Warner Books, 1972.
The Fourth Mad Declassified Papers on Spy vs. Spy, Warner Books 1974. Reprinted by Watson-Guptill, 2009.
The Fifth Mad Report on Spy vs.
Spy, Warner Books, 1978.
Mad's Big Book of Spy vs. Spy Capers and Other Surprises, Warner Books, 1982.
The Sixth Mad Case Book on Spy vs. Spy, Warner Books, 1988.
Prohías' Spy vs. Spy: The Updated Files, Warner Books, 1989.
Spy vs. Spy: The Updated Files #8, Warner Books, 1993.
Spy vs. Spy: The Complete Casebook, Watson-Guptill, 2001. Reprinted by DC Comics, 2011.
Spy vs. Spy: The Joke and Dagger Files, Watson-Guptill, 2007.