From the contents: How metaphors matter: Astolfo's lunar journey in the Orlando furioso. - Images proposed in Jest: Galileo's Sidereus nuncius and the dialogue. - The stuff that dreams are made of: Kepler's Somnium. - Worlds of words: Cyrano de Bergerac's Lune and Soleil. - Metaphors as systems of thought: Fontenelle, Cyrano, Wilkins and Huygens.