Mrs Mannering thinks that a peaceful holiday in the Welsh mountains
couldn't possibly land the children in another dangerous adventure. How
wrong she is! Philip, Dinah, Lucy-Ann and Jack are soon up to their
necks in the mystery of a rumbling mountain, roaming wolves, and a mad
genious who plans to rule the world.
Description:
Mrs Mannering thinks that a peaceful holiday in the Welsh mountains couldn't possibly land the children in another dangerous adventure. How wrong she is! Philip, Dinah, Lucy-Ann and Jack are soon up to their necks in the mystery of a rumbling mountain, roaming wolves, and a mad genious who plans to rule the world.