Inside front cover.
After an editorial dispute over work-for-hire contracts, Don McGregor left Marvel and this story was falsely credited (McGregor 1981) to editor Richard Marschall instead (although Marschall does acknowledge McGregor as the story’s author on the introductory text page elsewhere in the issue).
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References:
McGregor, Don. 1981. “Investigating Detectives Inc.” in The Variable Syndrome. Clayton, Ga.: Fictioneer Books. Quoted in Don McGregor, “Investigating Detectives, Inc.” in Detectives Inc. #1 (April 1985), and in Don McGregor, “Investigating Detectives, Inc. part two” in Detectives Inc. #2 (April 1985).
Letters from: Greg Lash, Ed O'Reilly, Eve Ackerman, Tom McCarthy, Brian Jordan, and Jon Green.