"The prince ......," Shi Feiwan said this, looking at Cen Yin.

"Okay." Cen Yin nodded, no more words.

"Can you do it?"

"Big." Cen Yin didn't think what she said was difficult at all, and replied, "Tomorrow, the master will give you a letter." ”

The implication, yes?

It was not too late, I didn't expect him to be so decisive and simple. Originally, she thought that if he couldn't or shouldn't, she would have to think of other ways. Shi Feiwan was grateful, and hurriedly said, "Thank you." ”

With that, she took off the big burden she was carrying behind her. Cen Yin was stunned. The purpose of breaking into the general's palace is already clear. But what is she doing in the middle of the night with a baggage?

Seeing that Shi Feiwan was busy there, Cen Yin suddenly asked, "Guard Sen Sen, the guard of the General's Mansion, how did you get in?" ”

This Nizi does have some skills. But if the General's Mansion is so easy to break into, then he Cen Yin won't be mixed up in Kyoto.

"I have your Nine Dragons Hook in my hand. Those people of yours quit automatically when they saw me. Shi Feiwan said: "Have you told them that the Nine Dragons Hook is not in the hands of the enemy?" ”

"......" Cen was silent.

This Ah Shi!

He didn't say anything about the whereabouts of the Nine Dragons Hook. It must be that guy chewing on the root of his tongue.

It's not too late, and the package has already been opened. Cen Yin swept over, only to see that there were two handwritten books inside, and some gold and the like.

"I've estimated the value of your weapon in the next life, and I think these should be enough for it." Shi Feiwan put the gold in Cen Yin's room. These things were exchanged for jewelry sent by Yujin. Pure gold, the value is not shallow. Shi Feiwan thought that he put the Nine Dragons Hook on himself again, and he probably didn't plan to take it back. She likes it very much herself, and she really doesn't want to return it. Then you can't ask for it in vain.

"Last time I was in Linghu, the prince helped me. And this time, I owe Shizi twice. This is a thank you gift. As for the time when the son of the world saved me, that doesn't count. Because I also saved your mother, it's a rip-off. ”

Shi Feiwan handed him the two booklets that he had written in a hurry, and said, "Look at the son, I think, the son of the world should not be at a loss." This thank-you gift should be enough. ”

Cen Yin's eyes fell on the thing in her hand, but her brows furrowed slightly, and she suddenly snorted coldly, "You are well prepared." With gold, want to buy the master's nine dragon hooks? Did you say you wanted to sell it? ”

Cen Yin was so angry and funny in his heart. That's all there is to it...... Well, the cost of his stuff is really not worth so much. But this weapon was made by the best craftsmen of the year. There is no market, and money can't buy it.

Of course, Cen Yin didn't know that it was too late, and he didn't know much about the degree of development of weapons in this era. In her modern cognition, although the Nine Dragons Hook is easy to use, it is not a tall thing. In her opinion, this money was earned by Cen Yin.

"But don't you want it?"

"When did you say no?"

"Then why do you still keep it ...... me," Shi Feiwan suddenly choked up. She suddenly realized something again, and immediately closed her mouth with a flash of light, thinking in her heart that it would not be a good sign to ask any more.

As soon as he raised his eyes, he saw that Cen Yin's face turned a little weirdly red. Shi Feiwan hurriedly lowered his head, a little alienated from his body, and bypassed the topic: "Shizi take a look at this." ”

As he spoke, he directly stuffed the things in his hand to him, and said, "I won't owe any debt to the son." The son of the world look at these, these thanks, but is it worth it? ”

Cen Yin's face was expressionless, and he lowered his head, and saw Shi Feiwan looking at him again, and his slender fingers pointed to the thing in his hand. Cen Yin then looked away and opened one of the handwritten books.

Only his seemingly plain expression was stunned the moment he flipped through the booklet.

With a movement of his fingers, his gaze swept over every page of the booklet that Shi Feiwan had written by himself. The more he looked at it, the more stunned he became.

The word not too late is very beautiful. is not as neat and neat as an ordinary woman, but there is also a unique sense of artistic beauty. But it wasn't her handwriting that surprised him at this time. It's what is written in it.

It was not too late, and this first handbook was a simple set of mathematics that she had compiled. It provides an overview of Arabic numerals and how they are calculated. There's also something in accounting like double-entry bookkeeping. She thought that if these things were used for management, it would make things a lot easier.

The last time he was in Linghu Painting Boat, he just helped him find clothes and cover up, and if he didn't suddenly appear in front of her, she would have some ways to get out. This debt is not large. And the things in this booklet may directly make her a mathematician and a celebrity in this world.

Cen Yin definitely doesn't lose.

Cen Yin picked up the second handwritten book at this time. This look is even more shocking than before. The title of the booklet is "Thirty-six Strategies". The content includes the strategy of victory, enemy battle, attack, melee battle, merger and defeat in the war. Although it is written simply, the example is summarized in one or two sentences. Every sentence is to the point. It's just that the examples in it are like fabricated false dynastic histories and people. But the battle situation is as if you have really been on the battlefield.

What is "Thirty-six Strategies"? It was also a national treasure in a time not too late. This thank-you gift, Cen Yin is not a loss. Even if he is a genius general, he doesn't need this, and it is beneficial and harmless to use this as a teaching material for his subordinates to see, or to see for himself to dabble in a wider range.

It's not too late, but I actually feel like I'm losing. But this booklet ...... She wrote it on the carriage of the Zhenguo General's Mansion.

At that time, she thought that Cen Yin had saved her life, so she felt that the second gift had to be heavier.

Who thought that he was the son of Princess Qing. It's not too late to pay off this debt directly. I wasn't going to send it. But now I was too lazy to prepare this second thank-you gift, so I brought it with me by the way.

"Shizi, Shizi......" Shi Feihao saw Cen Yin staring at the things in his hand for a long time without making a sound, so he hurriedly called him a few times.

When Cen Yin closed the booklet, his eyes were shocked. But joy is not necessarily there. Shi Feiwan saw that something was wrong, and began to wonder if he didn't think this thing was valuable.

"What do you mean by that?" As a result, Cen Yin suddenly raised his hand and shook the things in his hand, stuffed them back to her directly, and said, "Master doesn't need these." ”

"Don't need it?" Shi Feiwan blinked, "Have you taken a closer look, the above accounting method and arithmetic method are used to manage the Qingwang Mansion or other private property, they are all used." And those thirty-six strategies, you are a general, will it not help you? No matter how talented you are, it doesn't hurt to read more. ”

It was not too late to read some of Da Chu's military books. Here, like in China, there is also "The Art of War" and the like. Perhaps this is the reason for the overturn dynasty, although the title of the book is the same. What is written in it is different.

On the whole, she didn't think Da Chu had any good military books.

Cen Yin sneered, "Do you think the master can use women's things?" ”

"You look down on women?" When I heard it later, I thought that this uncle didn't believe the things in this booklet at all. Maybe it's because it's from a woman's pen, and maybe she thinks she copied it from some miscellaneous book, and it can't be proven, so it's made up.

"Where did you get all this stuff?" Cen Yin asked suddenly.

"I've read some miscellaneous books before, and after I read them, I summarized them. But I don't think it's nonsense. Shi Feiwan didn't dare to say that it was all her own memories of her previous life, and then sorted it out with her own words.

"Do you think you have a good eye?" Cen Yin laughed again, but this time there was sarcasm in his tone, and his expression looked quite cold and ugly.

Does this woman have to settle the debt with him clearly? Do you have to treat his help as an exchange of benefits?

"Cen Yin, don't underestimate women." Shi Feiwan was slightly annoyed by his contemptuous tone. She hates the kind of people who think that women are inferior to men. With the pride in his heart, he said: "Don't you think that only you men know the art of war and know tactics." ”

"Oh?" Cen Yin remembered that she seemed to like to read military books, and she didn't have disdain in her heart, but there was another sneer on her lips: "Talking about soldiers on paper." ”

"I don't believe you." Shi Feiwan's heart was aroused with an urge to refute.

Cen Yin laughed again and said, "There is a small county town on the northwest border, named Zhangmen County. From time to time, the tribe of the Huhu people will come to invade and harass them. Now our Dachu troops are insufficient, and the soldiers stationed there are defeated by the enemy, and there are many defeats in the battle. Now after three years of garrisoning, Zhangmen County is still not stable. This year, the county guard has been removed, and His Majesty has sent a new general. If you are the new defender, what should you do? ”

"Who's the new keeper?" It's not too late to ask.

"Former Commander of the Praetorian Guard."

"Have you ever fought in the past? Can you be famous? It's old. ”

"No, in the early Chinese New Year's Eve."

"It's a new general." Shi Feiwan said: "If I were him, I would only defend it first, and every time the Hu people attacked, they would retreat to the camp and not fight with them." Even if there is no fighting, the focus is also to retreat first and avoid it as much as possible. After a long time, the Hu people will be arrogant, and because they are new guards, they will despise a little more. When the time comes, let the people in the city also retreat from the city, and send some soldiers to disguise themselves as people to go out of the city to graze cattle and lure the enemy to plunder. At this time, a small number of soldiers can be sent to protect the 'people' and engage the enemy. But they should not fall in love with war, retreat while fighting, and introduce the main force of the enemy army into the city.

Hu Ren is arrogant at this time and is easy to be seduced.

Before that, an ambush was set up in the city, and a formation was set up. Most of the county towns in the northwest are earthen houses, and the Hu people are good at cavalry warfare and are locked up in the city, so it is difficult for their cavalry to realize their potential, and their combat effectiveness will inevitably be reduced. If the layout of the ambush is good by using the terrain, the main force of the Hu people can be defeated in the city at one time. ”