"What adds up into an ocean? Build one layer by layer to find out. The watery world looks very different the deeper we get. Once we get down to the bottom, it's time to get creative to make your own ocean environment. Colorful illustrations paired with bright photos help young readers learn how to build our world"--
Ages 7-8 Bearport Publishing Company.|||Grades 2-3 Bearport Publishing Company.|||530L Lexile|||juvenile
William Anthony.
Includes index.
