When I published "game level design", I only saw an interview with Xiaoguang on the Internet. I am ashamed that I am not aware of gold inlaid with Jade. I still remember the night when I had dinner in Shanghai and Xiaoguang one year ago. I was so embarrassed to ask why I saw him turn around. I saw this interview today. I knew Xiao Guang from his book online game development. Under his impetus, this book has been published for two years and has been reprinted. This is largely due to his extensive promotion: He recommended to his colleagues in the industry, and introduced and contacted professional magazines on the Internet to publish excerpts and book reviews. I am not busy. Today, when "game level design" was published, he spared no effort to publish new book information for this book. In just one month, game level design has ranked the sales rankings of major websites. This book has also been well received by professional game planners of Netease. Xiao Guang's hard work was not in vain. On the days when he first came to know him, he had a serious attitude and enthusiasm for the game industry. "This is an error in online game development. Remember to change it ", "Show me the grass on the cover." "Don't wait for the translator's name. Don't forget the name of the second translator "........ I believe that with this, Xiaoguang will go better and better on the road to the game's career and become more and more successful.