Inside the Three Broomsticks.
"Ibi, Ibi? Ibi, are you listening to me?" Hermione asked, looking with a trace of concern at the dazed young girl beside her. Although she was always spacing out suddenly, she seemed to have been stuck in this state for days now, ignoring even the twins' invitation to go exploring in the Castle.
The young girl finally snapped back to her senses, her face blank as she slammed her head straight down onto the dining table. This gave Harry and Ron, sitting at the same table, quite a start. "What's wrong with her?"
Chapter 101