For a moment, Hermione puzzled over it until she realised what the woman was saying. She turned away, hoping the warmth of her skin wasn’t obvious as she flicked through her books. "Well, were there any tips you could provide? Everything I’ve read says it’s about visualising your destination clearly and imaging you’re already there, sort of willing it and then turning on the spot as you..." she trailed off, watching as Bellatrix’s eyes glazed over, though she was still watching her. "What?"