What Happens At School When You're Not There‪?‬

longtime elementary-school janitor Edward Denecke knows the secret of what unfolds in the magical hours between last and first bell. Now, he’s excited to share it in this imaginative story about the amazing visitors that turn schoolrooms topsy-turvy when nobody’s there to see it. Nobody, that is, except the night crew of custodians who are the guardians of this whimsical world.