李勇教授新著的《保卫历史学》(世界知识出版社,2009)是作者对20世纪中国史学发展进行理论研究的成果。全书分为认识篇和方法篇,就历史学的界定、历史学的科学性问题、史学理论与史学的分野、“史学危机”现象、历史学的实用化现象,以及历史学的学术理念、历史观的作用、历史主义的价值与局限、阶级分析法的作用、史学理论与史学史研究的新趋势及20世纪80年代以来引进西方史学带来的一系列问题进行了全 Professor Li Yong’s new book, “Defending History” (World Knowledge Press, 2009) is the result of a theoretical study of the development of Chinese historiography in the 20th century. The book is divided into articles of understanding and methods, on the definition of history, science of history, history theory and history of the division, “crisis of history ” phenomenon, the historical phenomenon of practical use, and academic history , The role of history, the value and limitations of historicism, the role of class analysis, the new trends in the study of history and historiography, and the series of questions brought by the introduction of Western historiography since the 1980s