“Juggler of Worlds” by Larry Niven and Edward M Lerner.
Title: Juggler of Worlds
Series: Fleet of Worlds, Known Space
Number in Series: 2 (two), n/a
Author(s): Edward M. Lerner, Larry Niven
Cover Artist: Stephan Martinière
Language: English
Original Publisher: Tor Books
Originally Published: September 2008
Publisher: Tor Books
Published: June 2009
ISBN-10: 0765357847
ISBN-13: 9780765357847
Notes: Part of a prequel series to the Ringworld series.