More to explore:
The How and Why Wonder Book of Dinosaurs, 1965.
How and Why Wonder Book on the Human Body. This book introduced me to how the body works. I loved looking at the pictures of the different organs and so on.
Vintage Dinosaur Art: The How and Why Wonder Book of Dinosaurs
The How and Why Wonder Book of Our Earth
An old dinosaur book that is in the collection at Everything Dinosaur.
Illustration by Mort Künstler. From "Dinosaur Story," writen by Joanna Cole and published by Scholastic in 1974.
Allosaurus by deskridge.deviant... on @DeviantArt
mesosaurus_by_zdenek_burian_1955 by it's better than bad, via Flickr