Alexander's class is going on a sleepover at the Stermont Museum, but something is stealing bright, shiny objects from all over town, including the museum's treasured Ruby Scorpion, and on the night of the visit the young monster hunters finally confront the town's newest monster--a warrior covered entirely by bubble-wrap.

On the night of his class's sleepover at the Stermont Museum, Alexander and his friends confront the town's newest bubble-wrap covered monster, who has been stealing objects from all over town, including the museum's Ruby Scorpion. Book #6