The Clark children are Mia's first babysitting job, and everything is going fine until she sees a life-sized doll sitting in the hallway; a doll that was not there before, a doll that Mr. Clark knows nothing about, and whose eyes follow Mia-- and that is only one of the five scary stories with unexpected twists that are included in this collection.

"Why do airplanes look the way they do? Why can't birds fly when they're first born? And why do some paper planes fly farther than others? Discover everything there is to know about flight from Ada Twist, Scientist--from information about creatures that fly, to the history of aircrafts, to modern technology that allows us to soar through the air faster than ever!"--Amazon.