Percy Greg's novel "Across the Zodiac" is a groundbreaking work of science fiction that takes readers on a thrilling adventure to Mars. Written in the late 19th century, it stands out for its innovative depiction of space travel and advanced technology, setting it apart from other contemporary works of the time. The novel is rich in detail, using scientific concepts to create a realistic portrayal of interplanetary travel, complete with intricate descriptions of life on Mars. Greg's writing style is both engaging and thought-provoking, making the reader ponder the possibilities of space exploration and extraterrestrial life. The literary context of the book places it firmly within the tradition of early science fiction, paving the way for future works in the genre.