trouble comes in pyjamas

Olivia figured out sometime ago that a stool can provide for what's she lacking in height. Since then, it's become one of her favorite hobbies to lock herself in a room and shout for the the rest of us.

This time, with the brothers playing on the computer, she was left out of the room - but not unnoticed, she decided. The message itself was encrypted from the rest of us, but the point was made anyhow.