Doonesbury triviade Jeffrey A. O'HareMateriasQuestions and answersDoonesbury (Comic strip)Humor, form, comic strips & cartoonsDoonesbury, mike (fictitious character), fictionEdiciones (1)Doonesbury trivia (1984)Warner Books · inglésMás obras de Jeffrey A. O'HareHighlights puzzlemaniaSecret codes and hidden messagesHighlights puzzlemania