Please Do Not Feed the Weirdo (Goosebumps SlappyWorld Series #4)

Robby and his sister Karla beg their parents to take them to a big carnival that has opened on the other side of town. When they arrive, the two kids are delighted by the rides, the sideshow, the interesting displays, and the great food booths.

They wander away from their parents and find themselves at a less-trafficked area at the back of the carnival. Inside a large penned-in area, they see a dejected-looking boy about their age sitting on the grass. A sign on th...