Not much to say let's get into it. This is Book 51: Beware, the Snowman.
Jaclyn and he Aunt moved from Chicago to a small town near the Arctic Circle named Sherpia. Every house in town has a rather ugly snowman in their yard and Jaclyn is forbidden from going up into the mountains, but she does and finds... Don't want to give too much of the plot away.
©RL Stine/Scholastic