C389 Soldiers in Two Directions

Zuo Feng didn't read it from the first book, but spread out all the books in his bag on the door. Then he looked at the markings on the surface of his brother's booklet.

There was no problem with the time. The time period within the book was clearly stated at the bottom of the book. What Zuo Feng could not figure out was that at the corner of each booklet, there was a special picture of a herb