The Secret of ZI

Overview:

• Title: The Secret of ZI
• Author: Kenneth Bulmer
• Year: 1961
• Publisher: Digit Books
• Price: 2/6
• Pages: 156
• Binding: Paperback
• Type: Novel
• Title Reference: The Secret of ZI
• Notes:
  • No printing date, edition, printing or printing number line in book.
  • Year from Tuck
  • "First U.K. publication in Book Form. U.S. edition by Ace Books, New York." on copyright page.
  • © Ace Books, Inc., New York 1958.
  • Cover artist not credited in book. Signature "Brian (over) Lewis" is on the artwork.
  • Note that title page has "Z1" instead of "ZI".