In this simple and enlightening book, former teacher Cathryn Sill explains to children what marine mammals are, what they do, and how they live. Accompanied by beautifully detailed illustrations from noted wildlife illustrator John Sill, About Marine Mammals tells children what is essential for understanding and appreciating these fascinating creatures. An afterwordwhich includes a glossary and recommended books and websitesprovides further detail for children and their parents about a wide variety of marine mammals.