Interesting ideas and mystery but the ending does not really resolve much. Also, some very dated ideas on the position of women. The heroine's rescue from the "strange influences" is just another form of control.
Very enjoyable old fashioned thriller. The characters are vivid and believable. Main character is a smart and competent woman. The identity of the villains is not much of a secret. The suspense comes from the good characters having difficulty believing the meaning of the bad characters' behavior and taking appropriate action. This does not come across as stupidity - more like the characters meeting a type of person completely outside of their experience.
Poorly written, really bad grammar, stilted dialogue, and cliched plot. The characters could be interesting but they are not believable. Lots of blood and gore. Reads like the first draft of a book.