The Metal Moon

"The Metal Moon" by Everett C. Smith and R.F. Starzl is a science fiction novel likely written in the early 20th century, specifically during the early 1930s. The book explores the themes of interplanetary travel and colonization, focusing on the interactions between different evolved branches of the human race within the solar system. It presents a unique narrative that blends adventure with social commentary, examining the consequences of evolution and societal structure over millennia. The story follows three Earthmen, Sine, Kass, and Lents, who embark on a space expedition to explore Jupiter. During their journey, they encounter a mysterious cylindrical ship utilizing a gravity beam, which ultimately captures them. They learn about the Jovian society, where an aristocratic ruling class oppresses a laboring class known as the "Mugs." The Earthmen witness the stark contrast between the opulent lives of the Jovians and the plight of the Mugs, including Proserpina, a young girl who longs for freedom. As the narrative unfolds, they become entwined in the growing rebellion of the Mugs against their masters, leading to a dramatic climax that threatens the very fabric of Jovian society. Through their adventure, the novel tackles issues of class struggle, moral integrity, and the nature of humanity amid extraordinary circumstances.