Horrible Harry has caused a lot of trouble at school, but this time, he's taken it to a new level. When Sid ruins an origami insect Song Lee made, Harry defends her—by targeting Sid for some serious revenge. No one knows when, where...

There's a war in Room 3B! Horrible Harry and Song Lee are in a fight, and nobody in Room 3B is happy. Harry and Song Lee have been best friends since kindergarten. Song Lee always laughs at Harry's jokes, they both love gross things,...

Harry is back, along with Miss Mackle and the entire class of Rooom 2B. Harry's name always spells trouble, but no matter what he does, it's always hilarious. 'Room 2B is every child's dream.'--School Library Journal. Illustrated.

There's a new rule at South School--if you misbehave, you go to the Suspension Room (or the Dungeon, as the students of Room 2B call it). The rumors are flying about what actually goes on down there, but Harry won't be satisfied unti...

Harry leads a mission to place cobwebs all over school, shows the class how to make green slime, and stages a 'deadly skit' that has everyone on the edge of their seats .

Doug discovers that though being Harry's best friend in Miss Mackle's second grade class isn't always easy, as Harry likes to do horrible things, it is often a lot of fun.

Third grade isn't looking too good for Herbie Jones. Not only is he stuck being in Apples, the lowest reading group in class, but he has to get a birthday present for annoying Annabelle and be good for the entire field trip to the mu...

When Harry comes to school wearing a necklace, the whole class is intrigued. Harry opens the necklace and reveals a mini-microscope&150perfect for looking at the mold experiment Room 3B is working on! Everyone wants to try it, so Harr...

Horrible Harry and his classmates all love Halloween. Everyone wears a costume to school-even Miss Mackle. Every Halloween Harry shocks his classmates with his scary costume. In kindergarten he was a bloody Count Dracula, in first gr...

A secret teacher party is happening in the library, but who is the party for? Harry and Doug plan to find out, but when they discover Harry's pet cat, Googer, skulking around their classroom, they have to catch him before anyone el...

Horrible Harry thinks he's the world's second-best detective—second only to Sherlock Holmes, of course. But the rest of the kids in Room 3B aren't so sure. So he's determined to prove himself by solving the latest mystery at South S...

Miss Mackle's class is learning about their ancestors, and everyone just found out that Ida's great-great grandmother sailed on the Titanic-and lived to tell about it. Miss Mackle decides to take the class on a riverboat ride to help...

Its the last day of second grade for the kids in Room 2B! Everyone's excited about Song Lee's end-of-the-year party at Mountainside Park. Harry can't wait for the scary rides, so when Sidney dares him to go on the newest one he quickl...

Room 2B been invaded by purple people! That's what Harry is saying, but no one else believes him. Can he prove that the purple people are real?

Third grade brings lots of surprises, but one thing hasn't changed a bit--Harry and Sidney are still sworn enemies. And their relationship only gets worse when Sidney accidentally kills Harry's pet spider. But Harry comes up with a ho...

Harry's in love, and his best friend, Doug, is disgusted -- Harry won't even throw snowballs at girls anymore. Will Harry ever go back to being his horrible self? 'Kline captures perfectly the crowd scenes and private moments in the ...

When Song Lee-the nicest person in Room 2B-starts getting nasty notes, everyone is shocked. Then Song Lee comes up with a creative way to teach the note sender a lesson he or she won't soon forget.

With Valentine's Day right around the corner, Harry hatches one of his bright ideas. He's going to stage a weddingto Song Lee!

Overcoming her normally shy nature and revealing her silly streak to the students of Room 2B, Song Lee dresses up like a cherry tree, wears green clay on her head, and writes a story about Harry's nose. Reprint. SLJ.

Herbie and his best friend, Raymond, don't have the money they need for the class's end-of-the-year gift for their teacher. They solve their problem by earning the money, but that's when the trouble really begins.

It's Christmastime, but with Miss Mackle in the hospital, no one feels much like celebrating. Maybe Harry can think of a way to cheer up Miss Mackle and put the holiday spirit back in Room 2B.

In this latest installment to the popular classroom-based series, Harry and his classmates are sick and tired of being stuck indoors by the rainy weather. That is, until Harry decides to solve the mystery behind the locked closet. ...

When Harry finds an ad in the paper for a used telescope, Miss Mackle suggests that the class raise money to buy it. The telescope will make their moon study unit even more exciting! Once they get the telescope, the class can have a n...

The holiday season is here, and the kids in Room 3B are learning about all the different ways people celebrate. In addition to Christmas and Hanukkah, there's Kwanzaa, Three Kings' Day, Korean New Year, and more. All the talk abou...

All Herbie wanted to do at the bank was change his 568 pennies into $5.68. He didn't count on tripping a robber and foiling the crime! The best part of it all, though, is Herbie's reward: the robber's dog Hamburger Head. But can Her...

Harry loves creepy-crawly things. But there's one creepy-crawly thing that even he can't stand: head lice! So it's a terrible day when Harry's friend Doug discovers lice in his hair. To make matters worse, Mary makes fun of Doug for b...

In the 34th Horrible Harry book, Mary's plans for a perfect birthday party go horribly wrong--can her friends save the day?Mary is always neat and organized, while Harry is horribly messy. But even Mary's carefully planned schedule ca...

When the post office has donated a real mailbox to room 3B, everyone gets jobs as sorters, stackers, and carriers. ZuZu is in charge of the misaddressed, or dead, letters. But Harry discovers that a thief is using the mailbox for some...

Horrible Harry is at it again in a rollicking story of Field Day adventures, mishaps...and revenge!It's one of the best days at South School: Field Day! That means bean bag tosses, relay races, and tug of war. When Mr. Deltoid announc...

Being on the school Safety Patrol is a big responsibility: can the kids in Room 3B handle it?Nearly every kid in Room 3B is trying to get picked for the South School Safety Patrol Squad—especially Harry. Harry wants a star badge jus...