Through a misunderstanding, Junie B. thinks that her new baby brother is really a baby monkey, and her report of this news creates excitement and trouble in her kindergarten class.

Braid Beard and his pirate crew return to retrieve the treasure they buried in Jeremy Jacob's backyard, but first they must help calm his baby sister, Bonney Anne, whom they awoke from her nap.

Biscuit, a young puppy, is eager to meet the new baby but must wait until nap time is over.

Storks used to deliver babies; they now deliver packages for a global Internet store. Junior, top delivery stork, is about to be promoted when he accidentally activates the Baby Making Machine, which produces an unauthorized baby girl! Desperately, Junior must deliver the bundle of joy before his boss finds out. Get ready for this wild, revealing journey that could make more than one family whole and restore the storks' true mission in the world.

When Auden impulsively goes to stay with her father, stepmother, and new baby sister the summer before she starts college, all the trauma of her parents' divorce is revived, even as she is making new friends and having new experiences such as learning to ride a bike and dating.

When Peter discovers his blue furniture is being painted pink for a new baby sister, he rescues the last unpainted item, a chair, and runs away.

From the moment he arrives, it is obvious that the new baby is boss and he gets whatever he wants, from drinks made-to-order around the clock to his executive gym.

Arthur isn't sure he is happy about the new baby in the family, but when his sister asks for his help in handling the baby, Arthur feels much better.

"Elmore Green, como muchos otros niños, empezó su vida siendo hijo único. Tenía una habitación solo para él, y todo lo que había en ella era suyo. Sus padres creían que él era el niño mãs adorable del mundo. Pero un dĩa, todo cambió..."-- Elmore Green likes being an only child, so when his parents bring a new small person, his baby brother, into the house he is not pleased and does his best to keep the new small person out of his life....

Lilly is convinced that the arrival of her new baby brother is the worst thing that has happened in their house, until Cousin Garland comes to visit.