Take a closer look at Australia's best-known marsupials. Why does Australia have animals that are so different from others anywhere else in the world? Why do 'roos and wallabies have such big tummies? Who were the kangaroos with fangs that lived 10 million years ago? What's the best way to become invisible (to kangaroos, at any rate)? Which wallaby is a 'living fossil' - the same as the wallabies that grazed 10 million years ago? Why do joeys eat...