Reissued after seventy-five years out of print—and in hardcover for the first time in a generation—Lucky Starr and the Rings of Saturn is the sixth book in the Lucky Starr series written by the legendary Isaac Asimov, author of Foundation, the Galactic Empire series, and I, Robot. The Lucky Starr series was originally published under the pseudonym Paul French.

Earth officials were hard on the heels of the mysterious Sirian spy, Agent X, when he blasted off in a stolen spaceship. But before they could catch him, the master spy jettisoned the capsule that held his report into the icy rings of Saturn.

In a flash, Lucky Starr and Bigman Jones found themselves in a race with the Sirian war fleet to recover the top secret information ...