These unusually handsome books are dramatic photographic essays for young readers. Full-color photos fill every page, showing animals in their natural habitats. Books are filled with facts and make fine introductions to nature studies that can be used in classrooms. But volumes in this series are also a delight to read -- and nature-loving kids will want to have copies all their own. The stunning photography in each volume brilliantly captures the ambience of our planet's vast oceans, and of the creatures that inhabit them.Eddie the puppy, Lucy the piglet, and Alabaster the cat are three curious young friends. Like many small children, they discover that they have belly buttons -- then wonder what a belly button is good for. At last they find Mommy pig, and she explains, then goes on to describe how before a baby is born it is nourished by its mother's body through the umbilical cord. Full-color cartoon-style illustrations throughout.