Contains four stories that follow the adventures of Horrid Henry, including the title work in which Henry realizes, much to his chagrin, that he has accidently worn the bright pink "big girl" panties his goofy great-aunt Greta sent him for his birthday.

The six mean Herdman kids lie, steal, smoke cigars (even the girls) and then become involved in the community Christmas pageant.

"Two teens appear out of nowhere, ransacking a small-town grocery and attacking the police officers who come to investigate. Their clothes are torn and filthy, their hands and bare feet callused, they have fangs. They're sister and brother, alone against the world. Where did they come from? Raised by wolves, they say. Kai and Holo are taken in by the police chief and his wife, and begin adjusting to life in a small town, attending school and going...

Melvin likes to throw a tantrum when he does not get what he wants, but he learns that the classroom rule, "you get what you get and you don't throw a fit" applies at home as well.

Describes a chain reaction that is caused by Elizabeth pushing her classmate Joe.

Witch Heidi is angry when mean Melanie Maplethorpe dresses as a witch for Halloween, but when she decides to retaliate, she almost loses all her friends.

Young Martha learns that she must apologize for her bad behavior if she wants people to cooperate with her.

Hardly anyone noticed young Sally McCabe. She was the smallest girl in the smallest grade. But Sally notices everything -- from the twenty-seven keys on the janitor's ring to the bullying happening on the playground. One day, Sally has had enough and decides to make herself heard. And when she takes a chance and stands up to the bullies, she finds that one small girl can make a big difference.

Annabelle and Tiffany, dolls who are best friends living in the Palmer house, have an adventure when they hide in Kate Palmer's backpack, are carried to school, mistakenly go to another house, and try to stop Princess Mimi, a doll who threatens all dollkind.

When money disappears from fourth-grader Evan's pocket and everyone thinks that his annoying classmate Scott stole it, Evan's younger sister stages a trial involving the entire class, trying to prove what happened.