"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!"--

"What do plants eat? Why do some plants have flowers and others don't? And what's the tallest plant out there?"--Amazon.com.

"How do bees fly? Why does a spider weave a web? And why are bugs so important to our world? Ada Twist, Scientist: The Why Files is the perfect nonfiction resource for all these questions and more."--