Endymion is the third science fiction novel by American writer Dan Simmons, part of his Hyperion Cantos fictional universe. Centered on the new characters Aenea and Raul Endymion, it has been well received like Hyperion and The Fall of Hyperion - within a year of its release, the paperback edition had gone through five reprints. The novel was shortlisted for the 1997 Locus Award.