| Original Title | The Lurker at the Threshold |
| Original Language | English |
| Author | August Derleth, H. P. Lovecraft |
| Publisher Series | Fan |
| Publisher | Werner Söderström Osakeyhtiö |
| Cover Artist | Jukka Murtosaari |
| Cover/Jacket Design by | Martti Ruokonen |
| Translated by | Ilkka Äärelä |
| Copyright Holder | August Derleth |
| Published in/by Arrangement with | Scott Meredith Literary Agency, Inc. |
| Printed by | WSOY:n graafiset laitokset, Juva |
| Format | Paperback |
| Language | Finnish |
| Location | Porvoo, Helsinki, Juva |
| Printed | 1993 |
| Copyright | 1945 |
| Pages / Font | 191 pages |
| ISBN 10 | 951-0-18761-5 |
| Barcode (EAN) | 9789510187616 |
| Notes | The original title is misspelled as "The Lurker at the Treshold" |
