This is a lot of four A.E.Van Vogt vintage paperbacks ... items are: Science Fiction Monsters (Paperback Library - 1967), Weapon Shops of Isher (Ace - 1967), Voyage of the Space Beagle(McFadden - 1968) and Winged Man {with E. Mayor Hull} (Berkley Medallion - 1967) - generally good or better