The sequel to Arthur C. Clarke's Book: 2001: A Space Odyssey. The story contines with the mission to return to Jupiter and restore the systems of the space craft Discovery, as well as the HAL 9000 intelegent computer. Interactions with the monolith continued, and it was at the end of this book in the Space Odyssey series that the planet Jupiter was transformed into the mini-star, Lucifer.

This book was also made into a movie.