David Stanford left Holt in 1988, “just as [Garry] Trudeau’s book contract ran out” (Walker 2010, 96). While Stanford would go on to edit later Doonesbury books from another publisher, it is not clear that his run as editor of Doonesbury books was uninterrupted, nor is it clear whether he edited this particular title.
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Reference:
Walker, Brian. 2010. Doonesbury and the Art of G. B. Trudeau. New Haven: Yale University Press.