Horrible Harry And The Green Slime

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.

Follows the school activities of second-graders, Harry and Doug, as they participate in a secret mission to celebrate "Charlotte's Web," learn how to make green slime, and put on a skit warning about the dangers of smoking.

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.

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 classroom."-- Booklist

The kids in room 3B have found out their teacher is engaged! But who’s the lucky groom? Harry goes into detective mode to find out, and Doug is willing to help—until he sees Harry stealing a piece of evidence! Doug can’t believe what Harry has done, but Harry thinks his risky move is worth it. After all, he cracks the case and tells everyone who Miss Mackle is going to marry . . . but does Harry have his facts straight? Or has he made a horrible mistake?

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 announces students will pair up to compete for a mystery prize, Harry and Doug are determined to win. But at what cost? Harry's sneaky tactics leave Sid and Mary grumbling. They even claim he’s cheating. Harry insists he's playing fair and square. Doug doesn’t know what to think! He must prove his best friend is innocent before his classmates seek Field Day revenge. Can they win and play by the rules, or will the highlight of the year be a horrible disaster?

When his friend Doug is infested with head lice and Mary convinces everyone to stay away, Harry and his other friend Song Lee stand by Doug and declare war on the bugs.

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 about holidays has everyone feeling festive. Everyone, that is, except Harry. He doesn't seem to care about the holidays, the class pet, or even the new student in class. It's clear that something is bugging Harry—but what could it be?

When Horrible Harry's pet cat, Googer, sneaks a ride and gets into the school building, third-graders Harry and Doug have to catch him before anyone else does, which means going into some forbidden places.