Mr Mumbles (Invisible Fiends, Book 1) (Google eBook)
Kyle’s imaginary friend from childhood is back... with a vengeance.
Kyle hasn't seen Mr Mumbles in years. And there's a good reason for that: Mr Mumbles doesn't exist.
But now Kyle's imaginary friend is back, and Kyle doesn't have time to worry about why. Only one thing matters: staying alive...
A major series from a fresh talent, brought to you by the publisher that put horror on the map.