Bahorel would be seriously unimpressed if Percy did try to hide his obvious fondness. That Percy is generally unrestrained about expressing himself is one of the things that makes him worthwhile company, in Bahorel's estimation.

"We do. Stay where you are, you're safe enough--"He pulls a few books halfway off their shelves and takes a final thick volume off entirely, tucking it under one arm. That bookcase moves aside, to show a narrow staircase leading into dim light.

"--Took me a while to figure that out the first time, I don't mind admitting. Come on, it's brighter once you're down there." Carrying his slowly increasing stack of books, he heads down.