Gerald is careful. Piggie is not.u003cbru003ePiggie cannot help smiling. Gerald can.u003cbru003eGerald worries so that Piggie does not have to.u003cbru003eu003cbru003eGerald and Piggie are best friends.u003cbru003e/DIVIn Happy Pig Day! Piggie celebrates her favorite day of the year! But will Gerald the Elephant be included in the festivities? DIVUsing vocabulary that is perfect for beginning readers (and vetted by an early-learning specialist), Mo Willems has crafted a heartfelt story about celebrating the special occasions in life. Fans of the Geisel Award-winning duo will want to join the party!