"I bought it! Because I earned lots of points!" He doesn't actually know how you earn points but they are called team points so he guesses they are for good teamwork.

He took the book and then pen but just closed the book and shook his head. "You shouldn't scribble in books miss, Elfnein will be really really mad."

There wasn't much that would make his goddess mad. But disrespecting books was definitely on that list!