This book was quite thick and exquisitely bound. There was also a leather cover made of unknown materials. It was very exquisite and emitted a strange fragrance.
Opening the book, the first page was a sentence: This book is exclusively for the royal family. No one who is not a member of the royal family is allowed to read privately. If discovered, they will be sentenced to death!
Lin Yan naturally flipped through the pages. After reading each chapter, his eyes gradually revealed satisfaction.
The first three-quarters of the book recorded the terrain, size, and main family forces of the various areas in the Qianyuan Prefecture. The last quarter recorded many hidden places like the Human Demon Valley Fortress in the Qianyuan Prefecture.
"The overall area of Qianyuan Prefecture is much larger than I imagined. According to the distance from the central city, it is divided into four levels: A, B, C, and D.