???
Hm?

???
Ah, you weren't meant to meet me like this. Perhaps a more proper place to meet? Yes?

Mainland
...

Mainland
Are you this book?

???
Wha? No, no... My body is only trapped in a 2D dimension! I can access other flat surfaces, not just this book.

The 2D figure does sure confirm she is not a book, unfortunately this'll just cause another sea of questions.