De 12e Planeet
| Publisher | Frontier Publishing, Amsterdam |
| Cover/Jacket Design by | Sylvia Carrilho |
| Translated by | Carolus Verhulst |
| Editor | Carolus Verhulst |
| Format | Paperback |
| Language | Dutch |
| Location | Amsterdam, Netherlands |
| This Edition Published | 2013 |
| First Printing | 1980 |
| Reprinted | 2000 |
| Reprinted | 2004 |
| Reprinted | 2013 |
| Pages / Font | 315 pages |
| ISBN 13 | 978-90-78070-49-8 |
| Barcode | 9 789078 070498 |
| Notes | Vierde druk |
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