The caves of Klydor
Soon after being exiled to the planet Klydor, five young people begin to suspect that their struggle for survival is somehow linked to the rebel uprising against the Earth's harshly authoritarian government.
Science fiction, Children's fiction, Caves, fiction
Douglas Hill
Douglas Arthur Hill was a science fiction author, editor and reviewer.

Hall was born in Brandon, Manitoba, and raised in Prince Albert, Saskatchewan. He was a science fiction fan from an early age. He received his B.A. in English from the University of Saskatchewan. In 1959, he moved to Britain, where he worked as a freelance writer and editor for Aldus Books.

Hall wrote many books on history, science, and folklore before turning to write fiction full-time in 1978. He edited anthologies under the pseudonym "Martin Hillman."