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.

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

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.

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.

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.

Sister Bear is upset by all the attention her new baby sister is receiving.

"Vanessa lives life on her own terms -- one day at a time, every day to its fullest. She can't afford to think about whether she has the same fatal genetic condition as her older sister. After all, she has way too much to do, traveling the globe and showing millions of YouTube followers the joy in seizing every moment. But lately, life has been anything but pure joy, and travel has come to an abrupt halt. After her younger step-sister drops off an...

Froggy hoped for a brother to play with, so he is disappointed with his new baby sister, Pollywogilina, but only until she is old enough to start learning from her big brother.

Stella Wells, fledgling scientist, has a new baby brother, Drake, and she is seriously considering the possibility that he is a duck--but further research is required to test that hypothesis.

Angelina's excitement over the arrival of a new baby turns to jealousy when her little sister becomes the center of attention.