Over the course of this landmark five-book series, a remarkable cross-section of compatriots, including Sir Richard Francis Burton, Mark Twain, and Jack London, sets out to confront humankind's mysterious benefactors and learn the truth, innocent or evil, about the astonishing and legendary Riverwor ...
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A new planet appears in the solar system wreaking environmental havoc. The problem is that the planet turns out to be a spaceship, piloted by cat-like aliens with have a very specific agenda.