From the author/illustrator team behind The Snatchabook comes a book-filled adventure on the high seas!Nell is finally a pirate! And she has her trusty Pirate's Almanac to help her sail the seas, even if Captain Gnash doesn't like books on his ship. But when the journey gets rough and the captain is in trouble, it's Nell and all her pirate knowledge that saves the day and leads them to the greatest buried treasure of all...