Citadels of Mystery
| Publisher | Ballantine Books |
| Format | Paperback |
| Language | English |
| Location | United States of America |
| This Impression | 1973-04 |
| Pages / Font | 292 pages |
| SBN | 345-03215-2-125 |
| Library of Congress Catalog Card Number | 64-19237 |
| Impression/Printing No. | First |
| Price | $1.25 |
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