"Exit From Asteroid 60" by D. L. James is a science fiction novel written in the early 20th century, specifically in the 1940s. The book delves into themes of slavery and rebellion set against the backdrop of a Martian satellite, Echo, where Earthmen are used as forced labor to extract valuable ore. It combines elements of adventure and speculative fiction, exploring the dynamics between humans and Martians in a future where technology and exploitation intersect. The story follows Neal Bormon, an Earthman who is shanghaied from a spaceport and ends up laboring under harsh conditions on Echo alongside fellow captive Keith Calbur. As they endure the relentless demands of their Martian captors and the debilitating effects of a drug that prevents sleep, the duo devises a plan to escape after discovering the Martians' secret: they are using a specially designed cyclotron to transport the ore to Mars. Through a series of perilous confrontations and innovative tactics, Bormon ultimately finds himself escaping the grasp of death and bringing hope of liberation not only for himself but for the other enslaved Earthmen. The climax reveals themes of sacrifice and resilience, culminating in a rescue by the Earth-Mars Space Police, who discover the Martian conspiracy behind the prisoners’ plight. (This is an automatically generated summary.)