Ahoy, mateys! Join Brownbeard the pirate and his first mate, Alan the parrot, as they explore the deep sea. The ocean covers almost three-quarters of the Earth, and yet much of it is somehow still unexplored. In this hilarious but highly informative picture book, readers will explore the ocean depths and meet the unusual bioluminescent creatures who live there. They’ll learn about ancient undersea explorers and travel to the very bottom of the ocean floor in the Mariana Trench to learn about the surprising things that live there. Award-winning author-illustrator Drew Sheneman will take inquisitive young readers on an adventure in learning in this hilarious and highly detailed exploration undersea.