Neville chuckled, moving to return the chair from where he moved it before sitting down again.
"You might be right," he said with a grin. "Dangle a locked chest in front of some of them, and even if they don't care what's it it, some of them seem to consider it a personal challenge to do everything they can to pry it open," he peered up at the shelf. "Guess that's the only way. You'll have to owl me the next time you need the book to go up or down, so that I know to start on my three day hike up those stairs."