"Thief of Mars" by Henry Hasse is a science fiction novel written during the early 20th century. The narrative follows Ron Jordan, an Earthman on a covert mission amidst a chaotic and lawless pirate base on the asteroid Ceres. The book explores themes of deception, survival, and the quest for justice as it unfolds in a universe filled with dangerous creatures and interplanetary criminals. In "Thief of Mars," Ron Jordan's primary objective is to clear his brother, Carl, of a false smuggling charge that led to a life sentence in a notorious prison. Posing as a down-and-out laborer among pirates, he searches for the ship that wronged his brother, ultimately leading him to confront the treacherous Martian captain Tarnuff. The story climaxes in a deadly duel of strategy and wits between Jordan and Tarnuff against the backdrop of a spaceship filled with the dangerous Silicytes, creatures that digest metal and threaten to destroy the spaceship. With urgency mounting as a Patrol ship approaches, Jordan risks everything to secure his brother’s freedom and face the dangers that lie ahead. (This is an automatically generated summary.)