《第四战线》一书有一副题:“国民党中央广播电台掇实”,这说明它是一部有关广播专业史方面的史料书籍。它从一个侧面,反映了20年代到40年代中国的纷纭复杂的风云变幻。读者可以从中了解一般中华民国史中所很少涉及或者未曾涉及的许多重要史实。因此,值得向广播界的同行及其他各行各业的读者推荐。广播诞生于20世纪20年代。这个新兴传播工具的优越性,很快引起了人们的普遍重视。特别是由于它借助电波或者导线,把声音输送给听众,传播的速度极为迅速,范围非常广泛,功能多种多样,收听十分方便,因而,世界各国纷纷兴办广播电台,来传播新闻,发表政见,丰富人们的文化生活,提 The book entitled “The Fourth Front” has a subtitle: “The Kuomintang Central Radio Station is Practical”, which shows that it is a historical material on the history of radio broadcasting. From one side of it, it reflects the complicated changes in China from the 1920s to the 40s. The reader can understand many of the important historical facts that are rarely or not involved in the history of the Republic of China. Therefore, it is worth recommending to colleagues from the broadcasting industry and readers from all walks of life. Broadcast was born in the 1920s. The superiority of this emerging communication tool quickly aroused people’s universal attention. In particular, because it uses radio waves or wires to transmit sound to listeners, it spreads extremely rapidly and has a wide range of functions and diverse functions. Listening is very convenient. As a result, many countries in the world have set up radio stations to disseminate news, publish political opinions, Enrich people’s cultural life, mention