Het Methusalem-enzym
| Publisher | A.W. Bruna & Zoon Utrecht/Antwerpen |
| Series | Bruna Fantasy en Horror |
| Copyright Holder | Fred Mustard Stewart |
| Translated by | W. M. Hodijk |
| Cover Art by | Jos Looman |
| Cover/Jacket Design by | Dick Bruna |
| Format | Pocket book |
| Language | Dutch |
| Location | Utrecht/Antwerpen |
| This Edition Published | 1972 |
| Copyright | 1970 |
| Pages / Font | 303 pages |
| Series Number | 10 |
| ISBN 10 | 90 229 3510 8 |
| Other | D/1972/0939/127 |
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