Jon, Eli's big brother, has nicknamed Eli Mr. Bubble Gum, Mr. Baseball, and Mr. Garbage. Now, Eli is back and this time, he is going to be a big brother! To his disappointment, his new baby brother turns out to be a baby sister! There goes the baseball team, the clubhouse, and the three-decker bunks. But Eli learns that there's more to being a big brother than meets the eye, as he learns a special lesson in brotherly love. Parents can read aloud to their kids and see how Eli learns a special lesson in brotherly love.