Title: Citadels of Mystery

Series: 

Author: L. Sprague de Camp; Catherine C. de Camp

Illustrator: 

Cover Art: 

Binding: Mass Market

Edition: 

Printing: 2nd

Publisher: Ballantine Books

Year: 1974

Country: United States

Condition: Very Good

Jacket Condition: 

Note: Nine pages of B&W photos.

Note: Variant title: Ancient Ruins and Archaeology