Suzy Capozzi, illustrated by Eren Unten

"The little girl in [the book] thought that having a baby sister would be fun. But with a different daily routine at home, and her parents constantly distracted by the family's newest member, the little girl has a lot to adjust to . However, by helping her parents, and taking on special jobs, like singing to the baby, she learns that being a big sister comes with big rewards (though a little spit-up too)"--