"The beast came crunching down in the snow, writhing as it skidded. It stopped two feet short of where he stood waving his bag. The huge teeth were fixed in a snarl. But it was the snarl of death. A long knife, the size of a meat cleaver, trailed from its neck."The snow that began on December the sixth brought Birmingham to a halt and sent Scott Raynall out of school early. But deep snow brings out dark things, opening doors into the past and drawing...