Gulliver of Mars - Edwin Lester Arnold - Bog

Gulliver of Mars is the tale of Lieutenant Gulliver Jones of the United States Navy who magically appears on Mars. In a fortunate incident he manages to save the life of Martian Princess Heru who sticks with him, as his quick return to Earth is not possible. Gulliver learns a lot about the culture of Martian society as they get through many adventures, going down a River of Death.