2061: Odyssey Three is a science fiction novel by Arthur C. Clarke that was published in 1987. It is the third book in Clarke's Space Odyssey series. It returns to one of the lead characters of the previous novels, Heywood Floyd, and depicts Floyd's adventures, which take him from the 2061 returning of Halley's Comet to Jupiter's moon Europa.
Read more about 2061: Odyssey Three: Origins, Aborted Plans For Film Version