Ace, New York, 1965, 1^st ed/paperback original.  G-553.  Based on the exciting MGM-Arena TV series.  MMPB, 160 pages.  Near fine; binding tight; small faint corner bends; faint reading crease along front spine edge.  Interior clean and unmarked with tanned pages.  ‘In Utangaville, Africa, it took two days….  In Spayerwood, Scotland, it happened overnight….  In each town, the people suddenly turned into mindless, babbling creatures who thrashed about wildly, uttering weird, half-human cries – and died.  Doctors and scientists were baffled as to the cause.  A sudden plague, some mysterious virus?  But to the members of the United Network Command for Law and Enforcement, there could be only one answer:  THRUSH had a deadly new weapon for world conquest.’ (from rear wrap)