(I saw someone on the forum begging for this kind of book. I have posted all the books I have collected over the past year. Friends who need it, download it! I found that this post has been up again... Let’s talk nonsense. There are too many books about beginners It's not a virtue, on the contrary, there are too many books, and you don't know which one to read. Therefore, it is recommended that you only read one or two of them. For the others, you can read them when you need them. N Years ago, like many people, I downloaded a lot of books and had everything, but all of them were lying on the hard disk, and I never read them well, and even some books were never opened. I hope you don't like I am the same. I have made up my mind to read one book and then read the other one, and read it intensively, and don’t look at the flowers. I confess that I have not read a book well, and the only book I read intensively is lt;Wang Shuang Compilation gt;, the principles and so on, it will never be forgotten in a lifetime. When reading a book, the emphasis is to read it carefully, otherwise it will be forgotten after a while. If you go back to read it, it will take a lot of time, and I dare Make sure that most people will not be able to completely remember the same knowledge point even if they read it multiple times, and it is very likely that they will forget it after a period of time.)