Ronda has her first sleep-over at her best friend Pat's house. They play all day, but when the lights go out and it's time to sleep, Ronda hears a" tap-tap-tap. "Whatever can it be?Ronda has her first sleep-over at her best friend Pat's house. They play all day, but when the lights go out and it's time to sleep, Ronda hears a" tap-tap-tap. "Whatever can it be?