Mika was getting more curious, Sasuke obviously seemed uncomfortable or unwilling to disclose anything right away. Was it something that embarrassed him? If it were really meant to be a secret then Sasuke would have just told them to leave him alone.

As he told Mika what he was looking for though, they went "oh" and gave a nod. Was this for personal use? They decided not to ask. Yet.

"I'll have to double check but I think such scrolls on self discipline and such are a shelf down. Let me look." He could put the other scrolls away as they did so. This was interesting to say the least.