A sequel, Pum pum! Chi è? La polizia! (Knock Knock! Who's There? The Police!), followed, which the semiotician Umberto Eco commented favourably on in a weekly column in L'Espresso.
This content is from Wikipedia. GradeSaver is providing this content as a courtesy until we can offer a professionally written study guide by one of our staff editors. We do not consider this content professional or citable. Please use your discretion when relying on it.