Librarian's Note: This ISBN was also used to publish a 3-in-1 collection of Find-Outer series that can be found here Ern is back visiting Mr Goon, which gives him and the Find-Outers the perfect chance to explore Banshee Towers. But there's more secrets to the towers than the screaming banshees. Fatty, Larry, Daisy, Pip, Bets and Buster the Dog have one last case to solve...

Publication Year: 1961