Lucky Starr and the Big Sun of Mercury (Lucky Starr 4) Lucky Starr and the Big Sun of Mercury is the fourth novel in the Lucky Starr series, six juvenile science fiction novels by Isaac Asiinally appeared under the pseudonym Paul French The novel was first published by Doubleday & Company in March 1956 Since 1972, reprints have included a foreword by Asie of conditions on Mercury have rendered some of the novel&39;s descriptions of that world inaccurate