Janitors series boxed set

All five volumes of this best-selling series are now available in paperback boxed set! No one takes Spencer Zumbro seriously when he tries to warn his classmates about the mysterious things prowling the halls and classrooms of Welcher Elementary School. But when he sees Marv, the janitor, going after one of the creatures with a vacuum, he knows he's not the only one who can see them. With the help of his new friend, Daisy, Spencer has to find out what the janitors know. The children's…