Jupiter (mythology) practice of swearing by Jove to witness an oath in law courts is the origin of the expression "by Jove!"—archaic, but still in use. The name of the god was also adopted as the name of the planet Jupiter; the adjective "jovial" originally described those born under the planet of Jupiter (reputed to be jolly, optimistic, and buoyant in temperament). Jove was the original namesake of Latin forms of the weekday now known in English as Thursday (originally called "Iovis Dies" in Latin). These became "jeudi" in French, "jueves" in Spanish, "joi" in Romanian, "giovedì" in Italian, "dijous" in Catalan,
Jove Books "Lost in Space" and two others for "The Time Tunnel", and Sturgeon's movie novelization for "Voyage to the Bottom of the Sea". Other original book publications in the 1960s included the first of Harry Harrison's Stainless Steel Rat novels (1961), Avram Davidson's "Masters of the Maze" (1965) and Chester Anderson's cult novel "The Butterfly Kid" (1967). Asimov and the biologist John C. Lilly were among those who published popular-science books with Pyramid in the 1960s. Among the notable projects at Pyramid in the 1970s was a series of reprints of the pulp magazine novels and novellas about the Shadow, published