The Further Adventures of Lucky Starr: Big Sun Of Mercury, Moons of Jupiter, Rings of Saturn Hardcover – December 1, 1985 by Isaac Asimov (Author), Paul French (Author)
 
Lively juvenile science fiction collection of 3 stories starring teen Lucky Starr includes "Lucky Starr and the Big Sun of Mercury" that takes Lucky to a scientific station on Mercury, where mysterious sabotage threatens research that could make Earth a paradise. Lucky employs his keen understanding of the Sirian menace and the three Laws of Robotics to save the day. "Lucky Starr and the Moons of Jupiter" where the Sirians clever spy scheme puts the secrecy of Project Agrav's prototype spaceship in jeopardy. Lucky has to stop the data breach before it's too late. "Lucky Starr and the Rings of Saturn" tells of the aliens who have invaded our solar system to put a base on Titan. Lucky must outwit an entire Sirian fleet to stop them. Sequel to "The Adventures of Lucky Starr" Out of Print.
 
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