Sea urchins look like fireworks exploding underwater. The spines that create their unusual appearance do have a purpose: they protect the tiny animals from dangerous predators. In this title, sea urchins of all shapes, sizes, and colors are on display for early readers!
This is Book 2 in the Ocean Life Up Close Series. See all Ocean Life Up Close books here.
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Martha E. H. Rustad is the author of more than one hundred nonfiction children's books, on topics ranging from baby ducks to black holes to ancient Babylon. She lives with her family in Brainerd, Minnesota.
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