This stranger, whose real name is Zhang Yuanguang, is a natural person who doesn't like quiet and always likes to challenge new heights. He once jumped to the top of foreign companies with a promotion speed that broke the company's record, but after obtaining an enviable position, he gave up and went to the stock and futures markets, experiencing all kinds of madness and loneliness in the stock market from 200/KLOC-0 to 2009. After accumulating rich life experience, he developed the desire to translate his knowledge and experience into words, and his first novel was warmly welcomed by the online community as soon as it was published. In 20 10, the book Decryption 20 12, with a bold theme, was almost comparable to The Da Vinci Code and quickly became popular in the book world. What about the latest masterpiece? The series of Different Files is considered by the author to be the most mature and difficult to conceive, and its launch is likely to open the "era of seeking differences" in China's book circle.