Phantom Principal - Hardcover

by Thomas Kingsley Troupe (Author), Anastasia Kleckner (Illustrator)

Elder Elm Elementary is extra creepy! Leaving school for the day, Kenji, Gemma, and Leo see something odd. A strange figure is standing in the principal's office window...and it's not the principal. Is it a phantom? Leave it to the Spooky Solvers to figure it out!