Language: English
Published by Aegean Park Press., California., 1979
ISBN 10: 0894120395 ISBN 13: 9780894120398
First Edition
Soft cover. Condition: Near Fine. No Jacket. 1st Edition. First edition 1979. Near fine copy in publishers printed card light brown wrappers. Spine is very slightly faded. Number 22 in The Cryptographic series.