As the recipient of threatening notes and phone calls, a high school girl becomes aware that she is under constant observation.
- ISBN10 0440902274
- ISBN13 9780440902270
- Publish Date 1 January 1989 (first published 1 January 1967)
- Publish Status Active
- Out of Print 18 October 2003
- Publish Country US
- Imprint Bantam Doubleday Dell Publishing Group
- Format Paperback
- Pages 172
- Language English