Wings carry tiny insects, fluttering butterflies, and backyard birds, and they even once propelled some dinosaurs up and through the skies. Find out how, when,

"On the Wing is the first book to take a comprehensive look at the evolution of flight in all four groups of powered flyers: insects, pterosaurs, birds, and bat

What do all the animals in this book have in common? They fly! The expertly crafted text uses a repetitive sentence pattern along with strong visual cues to sup

Bring the wonder of flight down to Earth with clever papercrafts and some help from Fold & Fly Butterflies, Birds, and Other Animals that Fly. You'll create gra

Explore the various regions of the worlds oceans and learn about the many invertebrates that dwell there. First-person accounts from scientists answer important