In simple, easy-to-understand language, author and educator Cathryn Sill teaches children what oceans are, what kinds of animals and plants live there, and why oceans are important. Noted wildlife illustrator John Sill offers beautifully detailed paintings that depict the characteristics of different types of oceans—from the Arctic to the Indian Ocean. A glossary and afterword provide readers with further details. Ideal for casual exploration or for early childhood and elementary science units.