OOTP! Fave quote from that book:

"Ron, we're supposed to show the first years where to go!"-Hermione

"Oh yeah. Hey--Hey you lot! Midgets!"-Ron

"Ron!"-Hermione

"Well, they are, they're titchy...."-Ron

"I know, but you can't call them midgets. . . ."-Hermione

So funny! I love those two!