In Kurd Laßwitz's groundbreaking science fiction classic 'Auf zwei Planeten', readers are transported to a world where Earth makes contact with the inhabitants of Mars. The novel follows a group of humans who journey to Mars and discover a technologically advanced civilization. Laßwitz's work is characterized by its detailed descriptions of futuristic technology and society, as well as its exploration of philosophical and ethical themes. Considered a pioneer of German science fiction, Laßwitz's writing style is both imaginative and thought-provoking, setting the stage for the genre's development in the 20th century.