Nothing. You want to write one.

"You know, you have given me an idea. Instead of buying, I can just write one," you say to Ino's chagrin.

"Hm... that's a good idea if you want to save some money. However, a future Hokage should know that sometimes you have to spend money to save time."

"Oh, that's not really the reason,"

With a slight movement, Ino stores the books. She then stop to eat a few more bites from her ramen. "Well, I'm not going to force you to buy, but still your loss."

"I don't think so," you say before slurping away what's left of your ramen bowl. "Ah, that hits the spot," you say as you put down the bowl.

"So, may I ask what book is it?"