Sam Battles the Machine!: A Branches Book (Eerie Elementary #6)

There's a strange new teacher at Eerie Elementary. Sam, Lucy, and Antonio are shocked when they see him . . . He looks exactly like Orson Eerie! Then Sam spots him talking to the school-and building a creepy machine! What is this mysterious teacher up to? Could he be trying to bring Orson Eerie back to life for real?!