“Fate of Worlds” by Larry Niven and Edward M. Lerner.
Title: Fate of Worlds
Series: Fleet of Worlds, Known Space, Ringworld
Number in Series: 5 (five), n/a, n/a
Author(s): Edward M. Lerner, Larry Niven
Cover Artist: Stephan Martinière
Language: English
Original Publisher: Tor Books
Originally Published: August 2012
Publisher: Tor Books
Published: July 2013
ISBN-10: 0765366495
ISBN-13: 9780765366498
Notes: Part of a prequel series to the Ringworld series. The cover of this book indicates it ends both the Ringworld and the Fleet of Worlds series.