"When Cora reads a story she wrote about a narwhal in her English class, Vivian Shimmermore mocks her, saying that everyone knows that narwhals are fake. Suddenly, Cora and her friends are embarking on an exciting quest to find these not-so-mythical creatures and prove Vivian wrong. But will they make it in time to see these migrating 'unicorns of the sea'?"--Provided by publisher.
