In an ordinary situation, Bowser would likely be very angry to discover someone had been reading what he was writing. However, after seeing the library, he'd come to expect that anything he said or did would be recorded there anyway. So Bowser calmly closes the book, using his pen as a bookmark, as he says "No."

While he'd read of something like that in the Questions book, Bowser himself had never observed anything like that himself. "Everyone here just seems to speak English," he said.