Before and The Mysterious Flame of Queen Loana.
This author wrote an essay about various aspects of Ur-Fascism which is subtitled "Fourteen Ways of Looking at a Blackshirt." This author's most recent novel fictionalizes the origin of the Protocols of the Elders of Zion. One novel by this author begins with the wrecking of the Daphne, after which Roberto della Griva begins to reminisce on his imaginary fake twin. In that work by this author of The (*) Prague Cemetary, the protagonist imagines that he is constantly crossing the international date line. Belbo, Diotallevi and Casaubon decide to come up with a conspiracy theory in another novel by this author of The Island of the Day Before and The Mysterious Flame of Queen Loana. For 10 points, name this author of Foucault's Pendulum.
This author wrote an essay about various aspects of Ur-Fascism which is subtitled "Fourteen Ways of Looking at a Blackshirt."
Umberto Eco