Every Halloween Harry plays tricks on his classmates and dresses up as something scary or gross or both. He's been Count Dracula, a slimy snake and even the Loch Ness Monster. Everyone in Room 3B is waiting to see what Harry will be this year—and they're all in for a really big surprise! "There's laughs aplenty in the short snappy text—just the thing to turn new readers on to books."—Booklist for Horrible Harry and the Green Slime The students in Miss Mackle's third-grade class enjoy a day of Halloween surprises, including Harry's unusual costume.