Ringworld series

The Ringworld series is a series of science fiction novels written by American author Larry Niven. It is part of his Known Space set of stories. Its backdrop is the Ringworld, a giant artifact 600 million miles in circumference around a star. The series is composed of four standalone science fiction novels, the original award-winning book and its three sequels:


 * 1970: Ringworld
 * 1980: The Ringworld Engineers
 * 1996: The Ringworld Throne
 * 2004: Ringworld's Children

The companion novels to the Ringworld series are set in the same "Known Space" universe and all written by Niven and Edward M. Lerner:


 * 2007: Fleet of Worlds
 * 2008: Juggler of Worlds
 * 2009: Destroyer of Worlds
 * 2010: Betrayer of Worlds
 * 2012: Fate of Worlds