You're a Brother, Little Bunny! — Maribeth Boelts

A gentle and reassuring story follows Little Bunny as he helps Mama and Papa get everything ready for the arrival of the new baby, and when the baby finally comes, Little Bunny is quite taken with Kale, his new little brother, but when Kale comes home from the hospital, Little Bunny questions his feelings especially since Kale is smelly, noisy, and takes up a lot of Mama's time.