For a school assignment, a boy reluctantly writes a letter to Clunk of the planet Quazar, but as more letters and packages are exchanged, it becomes fun.

As a school project, George and Blaise become pen pals, writing rhyming letters about their favorite things to do, unaware that one is human and the other a dragon.

Eleven-year-old knuckleball pitcher Vivy Cohen, who has autism, becomes pen pals with her favorite Major League baseball player after writing a letter to him as an assignment for her social skills class.