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.

Clementine faces changes at the end of her third grade year and anticipates the birth of her family's new baby.

Katy, the precocious ten-year-old daughter of the town doctor, befriends a retarded boy.

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

"It's almost Christmas, and baby simply cannot contain the exuberance. There are things to decorate-a tree, a gingerbread house, a doggy! There are very creative presents to make, Santa to see (must be brave), carols to sing, not to mention the big event itself"--

Four-year-old Sal cannot find a gift she received from Santa, her new baby sister still does not have a name and takes up all of Mama's attention, and her brother Billy is annoying, but Sal finds her own strengths over an eventful Christmas season with her family.

With still unnamed twin baby sisters at home, Bobby, owner of an boisterous pet beagle, is worried that his parents will have no time to celebrate Christmas.

Excited by the arrival of a new baby, a family of robots is nearly undone by technical difficulties until big sister steps in and repairs the situation.

An all-knowing big sister gives her baby sibling lessons in being a baby. Take it from the narrator of this book, an all-knowing big sister: when you're a baby you don't read books. You eat them. You don't know how old you are, or even if you're a boy or a girl. And you have to keep a special plug in your mouth to stop your scream from coming out. But one day, you won't be little anymore, and then you'll be taller and smarter, and actually quite clever....