Gudrun Pausewang, less commonly known by her married name, Gudrun Wilcke, was a German author of children's and young adult literature. She was known for books such as The Last Children of Schewenborn and Die Wolke which became part of the German school canon. Her key interests included peace and protection of the environment, and she warned of the alleged dangers of nuclear energy. Her books have been translated into English and received international recognition and awards.

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.