500 795b877d-63e9-473e-a822-62b5899eae44 The Ringworld Engineers Larry Niven calibre (7.16.0) [https://calibre-ebook.com] 1985-11-12T07:45:19+00:00 SUMMARY: "This rousing sequel to the classic Ringworld continues the adventures of Louis Wu and Speaker-to-Animals on that fantastic planet."--School Library Journal An ALA Best Book for Young Adults Ballantine Books 9780345334305 eng Science-Fiction