This series is part of Scholastic's early chapter book line called Branches, which is aimed at newly independent readers. With easy-to-read text, high-interest content, fast-paced plots, and illustrations on every page, these books will boost reading confidence and stamina. Branches books help readers grow!In this sixth book, Alexander's class goes on a field trip to the history museum. The students have been learning about the legend of the bumpy mummy in class. But then Alexander thinks he sees the REAL bumpy mummy walking around! The famous Ruby Scorpion gets stolen from the museum, too! And what are those strange popping noises?! Alexander and his friends will have to work fast to stop Stermont's latest monster!