Nabou is a 1968 science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 novel by German

Germans

The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

 author Günther Krupkat

Günther Krupkat

Günther Krupkat was a German fiction writer, known as one of the leading science fiction writers of East Germany.-Biography:...

. Written as a sequel to his 1963 novel Als die Götter starben

Als die Götter starben

Als die Götter starben is a 1963 science fiction novel by German author Günther Krupkat about contact between humans and an alien race from the distant planet "Meju." After the discovery of alien diaries on the Martian moon Phobos in the 21st century, a frame narrative tells the interconnected...

, Nabou narrates an expedition into the interior of the Earth. A member of a research team investigating Earth's crust is revealed to be a cyborg, or "Biomat," left by an advanced spacefaring people called the Mejuans. The encounter between the humans and the alien representative is a comparative class encounter between advanced socialist aliens and human societies in a "lower stage" of development without open class conflict. A 1989 survey ranks it as the 13th most popular East German science fiction novel.