Az Acélváros titka
| Book | Les Cinq cents millions de la Bégum |
| Publisher | Móra Ferenc Ifjúsági Könyvkiadó |
| Typography by | Nyomdaipari Fényszedő Üzem |
| Translated by | Lányi Viktor |
| Printed by | Sylvester János Nyomda |
| Printing/Publishing Director | Szilvásy György, Hanuszek Béla |
| Technical Director | Haás Pál |
| Editor in Chief | Tótfalusi István |
| Photo/Picture Editor | Gáspár Imre |
| Technical Editor | Sz. Huschit Katalin |
| Copyright Holder (Translation) | Lányi Viktor örököse |
| Format | Soft cover |
| Language | Hungarian |
| Location | Budapest |
| This Edition Published | 1980 |
| Copyright | 1954 |
| Pages / Font | 176 pages |
| ISBN | 963 11 2459 2 |
| Issue Number | 70000 |
| Impression/Printing No. | 808697/80 |
| Other | IF 4019 |
| Price | 16,- Ft |
| Notes | Subtitle: "- A BÉGUM 500 MILLIÓJA-" Cover images were taken from the same titled Czechoslovakian movie. |
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