Are narwhals related to unicorns? Spark elementary-age readers' natural curiosity about wild animals with an inquiry-based nonfiction approach to narwhals. Meet the unicorn of the sea! Up to 8 feet long, the narwhal's tusk is legendary. It used to be traded as a unicorn horn. Today we know it is actually a long tooth that may be used as an extra sensory organ. With an engaging Q&A format, curious elementary kids will learn about this whale's unique tusk, Arctic habitat, behavior, and family life. Simple infographics call out stats and support visual learning. A Stay Curious! feature models research skills and doubles as a mini media literacy lesson. Includes a table of contents, glossary, and index.