“Hilarious and charming. The most lovable duo since Frog and Toad.” —NYT-bestselling creator of the Dog Man and Captain Underpants series, Dav PilkeyNarwhal and Jelly . . . and Otty?! Exuberant Narwhal and skeptical Jelly test the waters of adding a new friend to their pod when they meet Otty the super-adventurous otter in the fourth book of this blockbuster early graphic novel series!Dive into three new stories about the joy of adventure and the power of friendship! In the f