Cox, Greg, 1959- The weight of worlds / Greg Cox. - New York : Pocket Books, 2013. - 342 p. ; 18 cm. - Star Trek. The original series . - Star trek, the original series. . ISBN: 9781476702834 (pbk.) Subjects--Topical Terms: Star Trek fiction.Science fiction. Dewey Class. No.: 813.54 / COX 2013