Unholy Trinity: Three Novels of Suspense
| Illustrator | Harry O. Morris |
| Cover Art by | Harry O. Morris |
| Cover/Jacket Design by | Mya Kramer |
| Publisher | Scream/Press |
| Copyright Holder (This Edition) | Scream/Press |
| Copyright Holder | Robert Bloch, Warner Bros. Pictures, Inc. |
| Copyright Holder (Illustrations/Photos) | Harry O. Morris |
| Format | Hardback |
| Language | English |
| Location | Santa Cruz,CA |
| Copyright | 1947 |
| Copyright | 1975 |
| Copyright | 1959 |
| Copyright | 1960 |
| Copyright | 1962 |
| Copyright | 1986 |
| First Printing | 1986-06-00 |
| Pages / Font | 350 pages |
| ISBN | 0-910489-09-2 |
| Chapters | Foreword, by Robert Bloch 1 • The Scarf 139 • The Dead Beat 251 • The Couch |
| Notes | A Sream/Press Limited Edition. A 250-copy Numbered and Slipcased edition signed by the author and artist. |
Added by ThomasP64