A starship crew of humans and dolphins skirts the brink of interstellar war in this epic adventure by the New York Times-bestselling author of The Postman. We are not alone. Humanity's explorations have revealed galaxies inhabited by millions of intelligent species interacting under ancient traditions. Foremost among said traditions is uplift, which requires all spacefaring races to welcome newcomers into Galactic culture by breeding and genetically guiding each client species to full sapience-but at a price. Patron races demand centuries of indentured servitude from each uplifted client. But is upstart humanity a patron or a client? The Earthship Streaker-crewed by humans and uplifted dolphins and chimpanzees-discovers a derelict armada, perhaps left by the very first patrons, the fabled Progenitors. Suddenly the Five Galaxies teeter on the brink of all-out war as fanatics hunt Streaker for the secret. With a damaged ship and hostile aliens in pursuit, the crew must band together if they hope to survive ...