What Is Mostly Ghostly?
What Is Mostly Ghostly? Mostly Ghostly is a series of books written by children’s horror author R. L. Stine. Its targeted audience is primarily middle school-aged youths ages 11–14. The book series has led to a film series. Where can I find mostly ghostly? Watch R.L. Stine: Mostly Ghostly Streaming Online | Hulu (Free Trial)