This book belongs to the ‘Self Study for Youth’ (青年自学丛书) series. It was published by Hong Kong Yiqun Publisher (香港益群出版社).The author, Li Yi (李怡), born Li Bing Yao (李秉尧), founded the political periodical ‘The 1970s’, later renamed ‘The 1990s’. In recent years, he has written political commentaries for Hong Kong tabloids, ‘One Weekly’ (《壹周刊》) and ‘Apple Daily’ (《苹果日报》).