In a flash, a month's military training passed in a blink of an eye. This month, Guo Xihao didn't participate in the military training, but this month, Guo Xihao didn't spare time. After all, he knew that he lacked too much now. He needed to fill his mind quickly so that he could learn a lot.

so in this month, Guo Xihao is in the library. The library here is the favorite place of the whole Su University and Guo Xihao.

the success and ease of university are largely attributed to the university library. The amount of books collected by a library can show the weight of the University.

after...