KangaroosKangaroos may be the strangest of mammals not so much because they keep their babies in pouches and lok like a cross between a giant rat and a deer but because they alone among the large vertebrates can hop. This appealing natural history by an internationally known expert is the only up to date book on these unique animals. Illustrating his account with color photos and black and white drawings, Terence J. Dawson makes recent research on the biology,