Mercer Mayer's funny and popular Little Critter is learning to get along with his younger sister in this picture-book classic. When Little Critter goes off with his friends, his little sister wails, "Me, too!" When Little Critter eats a piece of cake, he has to share it with his hungry sister. It seems as if Little Critter's responsibilities as a big brother will never end. Then comes the day when his little sister learns to share. Little Critter sees a ray of hope. Maybe his little sister is growing up!