Harry leads a mission to place cobwebs all over school, shows the class how to make green slime, and stages a "deadly skit" that has everyone on the edge of their seats.
Every young reader can join Cousin Stevie in causing a chemistry set to go crazy and fill the house with bubbling green slime, in an adventure with several possible outcomes.
Every young reader can join Cousin Stevie in causing a chemistry set to go crazy and fill the house with bubbling green slime, in an adventure with several possible outcomes.