A thrilling and ghostly mystery from the author of 'The Animals of Farthing Wood'.

There had been rumours for years about the wealth of old Mr Mackie. But when ben and Richard start snooping around the dead man's house, they're soon plunged into a web of terror. Whose dark face is at the window? Where are the strange footsteps coming from? And what is the secret of the blue ring wrapped in a blanket?

Pursued by a villainous tramp, and haunted by ghastly visions, the two boys find themselves on a daring journey through darkest Wales, and into the unearthly territory of the ancient spirits.