Robert L. Forward

Ocean Under the Ice is a science fiction novel by Robert L. Forward. It is part of the Rocheworld series, about an expedition to explore planets found in orbit around Barnard's Star. It was written after Marooned on Eden, but is before it in the continuity. This is the third book in the continuity.

Dragon's Egg is a hard science fiction novel written by Robert L. Forward and published in 1980. In the story, Dragon's Egg is a neutron star with a surface gravity 67 billion times that of Earth, and inhabited by cheela, intelligent creatures the size of a sesame seed who live, think and develop a million times …