With their sleek, powerful bodies allowing them to dive far beneath the surface, seals are among the ocean's most dangerous hunters. Readers will learn all about the lives of these magnificent mammals, from how they socialize and find mates to what they eat and how their senses work. They will also discover the man-made dangers that many seal species are facing today.

Coastal hunters -- On land and at sea -- Seal socialization -- Then and now -- Sharing space with seals.