The Cloud, is a 2006 German science fiction thriller drama film based on the 1987 novel Die Wolke by Gudrun Pausewang.

Die Wolke is a German novel for young adults by German author Gudrun Pausewang, published in 1987. The story was written after the 1986 Chernobyl nuclear disaster in Ukraine, with a 14-year-old girl having to deal with the consequences of a fictional similar disaster in Germany. It was translated into English by Patricia Crampton, published in 1997, as Fall-Out. Die Wolke, which received several awards, became a popular book for reading in class and was adapted for film and stage, has been regarded as Pausewang's signature work.