郑加真所著《中国东北角》是一部历史巨著，它以简洁明快的笔触，记述了黑龙江垦区５０年（１９４７—１９９７）的开发建设史；但它同时也是一部文学作品。这种以史料为主体，加以艺术概括和再创造的历史文学，是我国重要的传统文学形式，从孔子写《春秋》，左丘明撰《左传》 Zheng Jiazhen’s “Northeast China Corner” is a historical monograph which describes the history of the development and construction of Heilongjiang Reclamation Area for the past 50 years (1947-1997) with concise and bright brushwork. However, it is also a literary work. This kind of historical literature, which is mainly composed of historical materials and summed up and recreated art, is an important form of traditional Chinese literature. From the book “Chunqiu” written by Confucius, “Zuo Zhuan” by Zuo Qiuming,