2010: Odyssey Two
Space Odyssey #2
this follows the movie, not the book, as a sequel. So the Monolith is at Jupiter instead of Saturn and is about 10times larger. Life is discovered on one of Jupiter’s moons and Jupiter itself is turned into a second sun. Starchild has very little to do with this novel at all. And HAL joins Starchild at the end, scary if you ask me.