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…
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…
Horrible Harry has discovered the biggest mystery ever in Room 3B--a locked closet that's been sealed off for years. Miss Mackle, Song Lee, and the rest…