None

A mystery from the past is hauled from the depths of the icy Norfolk "fens"--a marshy area of eastern England--in this chilling tale of an encounter with something very sinister   It's wintertime in the moody, atmospheric mists of East Anglia, and while diving into the cold, murky water of a lake, Kit and Joe find an elaborate patten--a Fen word for ice skate. Its return to the surface is not widely welcomed, and, as it emerges, the story of how the skate became detached from its owner 50 years ago leads the boys deep into a chilling mystery whose conclusion is yet to be played out. What could have been surging up through the ice that day half a century past that so frightened young Tom Townley? Why has Tom suffered constantly from nightmares and visions of beings who make no noise, but so menacingly watch? Who are they watching now--and why?