We added a huge room onto our bedroom to serve as his library, but it isn't enough. Most of the aisles between the shelves are piled so high with books that passage is impossible. I feel it is a health hazard and a fire hazard. I've offered to work with him or even to do it for him. He becomes irrational when the subject is brought up--hyperventilating, yelling, then getting so worked up he can't even speak.