Priestess of Murder

'Priestess of Murder' is a horror novel by Arthur Leo Zagat. A thing of terror lurked in hiding—waiting to work its ghastly evil upon beautiful Leila Monroy. Was her lover in truth the monster who sought her? Was it lovely Eve, her best friend? Or were Leila's darkest suspicions correct—could it be that she, herself, changed periodically into the thing of horror and death that haunted that stricken countryside?