Fright Christmas is a novella written by R. L. Stine and Stephen Roos. It was first published in 1996 and is the fifteenth book in the Ghosts of Fear Street book series.
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He'd better watch out... Santa is watching Kenny Frobisher this year. Watching him do rotten, nasty things. Kenny's the biggest bully in Shadyside. And he's out to ruin everyone's holiday.
Until he gets himself trapped in a closet in Dalby's Department Store on Christmas Eve.
When Kenny finally gets out, the store is locked. Deserted. And Kenny is alone. Until the three most frightening ghosts of Fear Street arrive-- to wish Kenny a Scary Christmas.