Lot of 3  Vintage paperback books by A.E. Van Vogt are...

 - the Silkie ( Ace 76500, 1969 ). - SLAN ( Berkley X-1543, 1968 )

 & the Far-Out Worlds of A.E. Van Vogt (  Ace H-92, 1968 ).

  Books are in Very Good Condition. FREE SHIPPING!