From Mo Willems Workshop comes this COOL, SWEET, and LOVELY storybook starring The Pigeon, Duckling, and more pals. Includes bonus character stickers! Duckling gets a surprise in her mailbox–a valentine! But whoo-whoo is it from? Do YOU know? Find out in this fun-filled mystery with Duckling, The Pigeon, Nana-dactyl, and more friends.
