Regardless of the reason, that scholarly air was not something one could fake so easily. Besides, who would go to such lengths to pretend to have that kind of temperament just to get into the Tree of Knowledge to read books?
So Dr. Clover simply waved Mousse in. The so-called assessment naturally came to nothing, leaving the gathered onlookers thoroughly disappointed.
"Wow! So many books! Th-this must be two or three hundred thousand volumes, right?"
When Mousse entered the Tree of Knowledge and saw row after row of bookshelves, joy immediately surged through him. With so many books, and such high overall quality, his Book-Book Fruit ability could finally undergo a complete transformation!
"Not bad, little friend! You guessed quite accurately! This library does indeed contain over 270,000 books!" Dr. Clover laughed, answering with considerable pride.
But Mousse shook his head, indicating that the other man was not quite right.
"I wasn't guessing. The library's layout and the format of the books on these shelves are all fairly similar. I only needed to calculate the total number of books on one shelf, then work out the size of the walls inside the Tree of Knowledge and the empty-space ratio. At the very least, I wouldn't get the order of magnitude wrong."
"S-so amazing!" Although Nico Robin was a genius child, her age and interests meant that she was not much better at mathematics than an ordinary elementary school student. Hearing this, she immediately felt that it sounded impressive even though she did not understand it.
But the well-traveled Dr. Clover instantly became more cautious, even wary, as he looked at Mousse. The calculation itself was nothing remarkable to him. What was truly unbelievable was that Mousse could estimate those dimensions with a casual glance, and with such precision!
"No matter