In R. Monaldi and F. Sorti’s novel Die Zweifel des Salaì “The Doubts of Salaì” (Hamburg 2008), the assistant and adoptive son of Leonardo, nicknamed Salaì, discovers that Tacitus’ Germania was forged by Poggio Bracciolini. Though the inconsistency of the pseudo-scientific apologue in appendix, the novel shows in a pretty paradigmatic way some common features of postmodern literature, as irony, playfulness, questionable narrators, historiographic metafiction and theory of conspiracy.