This Halcyon Classics ebook is SAND DOOM by acclaimed science fiction/mystery writer Murray Leinster (William Fitzgerald Jenkins). Leinster (1896-1975) was a mainstay of the pulp magazines of the 1920s and 1930s, and following World War II he broadened his audience by writing for Radio, Television, and Hollywood. Among his accomplishments, Leinster is credited with popularizing the notion of parallel universes and the concept of the internet. His 1946 short story "A Logic Named Joe" contains one of the first descriptions of a computer (called a "logic") in fiction. In the story, Leinster was decades ahead of his time in imagining the Internet. He envisioned logics in every home, linked through a distributed system of servers (called "tanks"), to provide communications, entertainment, data access, and commerce; one character says that "logics are civilization." Set on an immensely hot world, humans struggle to survive. The problem was as neat a circle as one could ask for; without repair parts, they couldn’t bring in the ship that carried the repair parts! This unexpurgated edition contains the complete text, with minor errors and omissions corrected.