El enigma de los círculos
| Publisher | Corona Borealis |
| Collected by | Misterios del mundo |
| Cover/Jacket Design by | DONDESEA servicios editoriales |
| Cover photo | Fotolia.com |
| Imprint | Publidisa |
| Format | Soft cover |
| Language | Spanish |
| Location | Málaga, Spain |
| This Edition Published | 2011 |
| Copyright | 2011 |
| First Printing | 2011 |
| Pages / Font | 306 pages |
| DL (Spanish) | SE-2590-2011 |
| ISBN | 978-84-92635-66-5 |
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