The Ringworld Engineers

In this thrilling sequel, Louis Wu and SpeakertoAnimals return to the enigmatic Ringworld after two decades, this time as captives of the exiled puppeteer leader, the Hindmost. With the Hindmost seeking to reclaim his status through the extraordinary treasures of the Ringworld, Louis soon discovers the alarming truth: the Ringworld's stability is failing and it faces imminent destruction. Tasked with locating the control center of its original engineers, Louis embarks on a gripping adventure filled with mystery and remarkable technology, crafted in Larry Niven's signature style.