A girl in a large family is looking forward to her first "double digit" birthday, but soon discovers that growing up brings some unwanted changes.

Sheila Rae is not afraid of anything. She walks backwards with her eyes closed, steps on every crack, growls at stray dogs, and bares her teeth at stray cats. But when Sheila Rae becomes lost on the way home from school, it is her "scaredy cat" sister, Louise, who shows her a thing or two about bravery and sibling love.

Hannah and her hands, named Sadie and Ratz, regularly get into trouble, especially when younger brother Baby Boy is around.

When Bean's parents leave her in the care of her older sister Nancy for the afternoon, she enlists her neighbor and best friend Ivy to come over and teach Nancy how to be a really good babysitter.

As a thank-you from Merlin and Morgan, Jack and Annie are sent on what should be a vacation at a luxurious resort in Cozumel, Mexico, but is, by mistake, an adventure with ancient Mayans, instead.

Eight-year-old Arun waits impatiently while international adoption paperwork is completed so that he can meet his new baby sister from India.

When Mitchell's father gets a new job and his family moves, he and his sister go to a new school where they must make new friends and adjust to new routines.

Revisits the sometimes challenging relationship between a six-year-old (The Pain) and his eight-year-old sister (The Great One) through seven chapters featuring such events as learning to ride a bicycle, having a birthday party, and dog-sitting.

Third-grader Dessert, inspired by Mrs. Howdy Doody's lessons about the American Revolution, decides she and her friends should fight back against annoying siblings, but the club she starts only makes matters worse.

Judy is excited about becoming a doctor, especially when Class 3T starts a new unit on the human body, but she learns more about being a patient when she catches tonsillitis from her little brother, Stink.