Exciting new edition of one of the six books in zoologist Nicola Davies' fascinating Animal Science series - the best biology series ever!An exciting new edition of one of the six books in zoologist Nicola Davies' fascinating Animal Science series - the best biology series ever!

Why are some animals big, some wide, some small and others long and thin?

This informative natural history book, wittily illustrated by Neal Layton, explains all about how animals fit in to their environment and why, big, wide, small, long or thin, they are all just the right size.