The landlord worries too much. Superstar's books are all officially published books, and they are all processed and scanned by themselves. Superstars have their own processing plants. A university near me used to have one of their processing plants, and I have seen them scan. There will be a faint watermark on the page of the superstar. As long as it can be seen from the Superstar Digital Library, it must be authorized. Otherwise, the author would have sued the court, and the superstar would not have shot himself in the foot. I hope I can dispel your doubts.