Einmal Rupert Und Zurück
| Book | Mostly Harmless |
| Publisher | Wilhelm Heyne Verlag, München |
| Illustrator | Hendrik Dorgathen |
| Typeset by | Buch-Werkstatt GmbH, Bad Aibling |
| Printed and Bound by | GGP Media GmbH, Pößneck |
| Translated by | Benjamin Schwarz |
| Imprint | Heyne |
| Series | The Hitchhiker's Guide To The Galaxy, Per Anhalter Durch Die Galaxis |
| Cover/Jacket Design by | Nele Schütz Design |
| Copyright Holder | Serious Productions Limited, Rogner & Bernhard GmbH & Co. Verlags KG |
| Format | Paperback |
| Language | German |
| Location | Germany |
| Printed | 2007 |
| Copyright | 1992 |
| Copyright | 1995 |
| Pages / Font | 268 pages |
| ISBN | 978-3-453-08230-4 |
| Barcode | 9 783453 082304 22 |
| Series Number | 5 |
| Impression/Printing No. | 22 |
| Catalog Number | 08230 |
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