The Vanished Diamond, also translated as The Southern Star, is an 1884 French novel credited to Jules Verne, based on an uncredited manuscript by Paschal Grousset.
The Vanished Diamond
Jean François Paschal Grousset was a French politician, journalist, translator and science fiction writer. Grousset published under the pseudonyms of André Laurie, Philippe Daryl, Tiburce Moray and Léopold Virey.
Paschal Grousset