Percy strolled inside and slowly looked around much like he would if he was browsing through a store or maybe an art museum, hands casually held behind his back. The bookshelf was of interest to him because Percy believed that you could tell a lot about a person by the books he kept, and so he paused to browse through the titles.
He then turned his attention to the white board then glanced over at Billy, "This looks important. What is it?"
He then strolled down the hall toward the open door, asking, "Where is the bathroom located?"