Fear Street #34: What Holly Heard by R.L. Stine [1996 PAPERBACK]
What Holly Heard by R.L. Stine [FEAR STREET #34]
FIRST PAPERBACK PRINTING  ARCHWAY
Do you want to hear a secret?
Holly did. She learned a terrible secret, and now her friends know it too.
Someone want to make sure they never talk about it. Someone who'll go to any length to keep them quiet.