Cobras two - Zahn, Timothy; Zahn, Timothy; Zahn, Timothy; Copyright Paperback Collection (Library of Congress) (Riverdale, N.Y. : Baen Pub. Enterprises ; New York : Distributed by Simon & Schuster, 1992)
"Formerly published in parts as Cobra (copyright 1985) and Cobra Strike (copyright 1988)"--T.p. verso.
Keywords: Human-alien encounters -- Fiction; Science fiction