3 etsivää ja hermostunut leijona
| Book | The Mystery of the Nervous Lion |
| Publisher | Gummerus |
| Translated by | Annikki Lievonen |
| Copyright Holder | Random House, Inc. |
| Foreword by | Alfred Hitchcock |
| Printed by | K. J. Gummerus Osakeyhtiön kirjapaino |
| Cover Artist | Matti Louhi |
| Series | The Three Investigators |
| Format | Hardback |
| Language | Finnish |
| Location | Finland |
| Printed | 1978 |
| First Printing | 1971 |
| Copyright | 1971 |
| First Printing in Country | 1977 |
| Pages / Font | 162 pages |
| ISBN | 951-20-1384-3 |
| Edition No. | 2 |
| YKL (Finnish) | N8453 |
| Notes | The book credits Robert Arthur as the author, when in fact it was written by Nick West. |
Added by Gumby74 · Last edited by AgathaCrustie