The main character initially took his journey under the employ of Cardinal Mazarin to spy on the efforts of a Dutch scientist to discover the longitudinal secret, which explai
The main character initially took his journey under the employ of Cardinal Mazarin to spy on the efforts of a Dutch scientist to discover the longitudinal secret, which explains the title of this work. The author of this novel makes many references to other works including his own, as a captain recalls that the heard a story about people who died by wetting their fingers to turn pages that had been smeared with poison. Roberto della Griva finds himself inexplicably on the Daphne  though he is stuck in the harbor unable to swim to land. For 10 points, name this novel by Umberto Eco about a shipwrecked nobleman who ends up near the titular location, named so because it sits on the International Dateline.
The main character initially took his journey under the employ of Cardinal Mazarin to spy on the efforts of a Dutch scientist to discover the longitudinal secret, which explains the title of this work.
The Island of the Day Before