Enid Blyton Find Outers: Mystery Of Banshee Towers Enid Blyton Find Outers: Mystery Of Banshee Towers Wherever there's a mystery, the Find-Outers will bunt for clues and work it out! Ern is back visiting Mr.Goon, so the Find-Outers have the perfect chance to explore Banshee Towers with him. But there are more secrets to the towers than screaming banshee. The Find-Outers have one final case to solve.