Warner paperback, 1977. This is a 1965 science fiction adventure novel about the human battle against alien invaders. First published in a shorter form as "The Hard Way" in Analog (January 1963).
"synopsis" may belong to another edition of this title.
Book Description Warner Books, 1977. Mass Market Paperback. Book Condition: New. Lou Feck (illustrator). book. Bookseller Inventory # M0446845523