Diagram Group - In the Air (Life on Earth)Publisher: Facts on File | 2003-12 | ISBN: 081605049X | PDF | 112 pages | 12.42 MB
An illustrated account, for youngsters, explaining what is known about the flight of animals. Coverage includes aerial plankton, gliding mammals, insect wings, hidden wings, evolution of pterosaurs, evolution of birds, feathers and much more.