(From the publisher):
Anthony Monday is delighted when Miss Eells and her brother Emerson invite him to spend the summer at an old house on a desolate island. But fun soon turns to terror when Anthony finds a trunk that transports them to another dimension - a horrifying world where a maniacal group plots the destruction of the human race. It's up to Anthony and his friends to save mankind...but will their desperate struggle be the end of them?
Original title: The Mansion in the Mist
Genre: Fiction→ Children & Young Adult→ Horror