Ringworld and Before the Discovery of Ringworld is a 8-book series with 8 released primary works first released in 1970 with contributions by Larry Niven and Edward M. Lerner.
30 Known Space (Publication Order)
1970 • 1 Reader
#1 of 5 in Fleet of Worlds
2007 • 41 Readers • 318 pages • 3.5
#2 of 5 in Fleet of Worlds
2008 • 25 Readers • 448 pages • 3.1