Sherlock Holmes: Im Zeichen der Vier
| Book | The Sign of the Four |
| Publisher | Delphin Verlag GmbH |
| Translated by | Medienteam Verlagsgesellschaft m.b.H., Hamburg |
| Cover/Jacket Design by | Franz Wöllzenmüller |
| Typeset by | Utesch GmbH |
| Production | Presse-Druck Augsburg |
| Series | Sherlock Holmes |
| Format | Paperback |
| Language | German |
| Location | Cologne, Germany |
| Copyright | 1990 |
| Pages / Font | 143 pages |
| ISBN 10 | 3.7735.3125.7 |
Added by GruenerTee