The Notebook of Doom is missing and Alexander and his fellow-monster hunters, Rip and Nikki, are convinced that the boss-monster has it; but is that monster the mysterious Principal Vanderpants, who is certainly behaving oddly, or someone else--and they need to figure that out quickly because a mistake could have deadly consequences for Stermont Elementary.
Notebook of Doom
Notebook of Doom ; 12
Identity (Psychology) -- Juvenile fiction.
Monsters -- Juvenile fiction.
School principals -- Juvenile fiction.
Secrecy -- Juvenile fiction.