癸己年仲春时节,一个偶然机会,缘于工作原因我拜访了黑龙江省文物考古研究所。适逢李陈奇所长向我推荐所里最新出版的《渤海上京城考古》(科学出版社2012年12月),我欣然接受,将其带回家来,因手头学术工作较忙,没来得及读,便搁置了。日后我突然想起此事,赶快翻开细看,此书居然让我爱不释手,我用了一个下午时间一口气读完。由于我一直从事隋唐渤海史研究工作,有关渤海研究的论著论文看到的就多些,那些作者我也熟悉。对于本书的作者赵虹光,虽认识 Seventy years of mid-spring season, an accidental opportunity, due to work I visited the Institute of Cultural Relics and Archeology in Heilongjiang Province. Coincides with the director Li Chenqi recommended to me the latest publication of the “Archeology of the capital of the Bohai Sea” (Science Press December 2012), I am pleased to accept that it will be brought home because of the busy academic work at hand, no Have time to read, then shelved. In the future, I suddenly remembered the matter and quickly opened it for a closer look. This book actually made me put it down. I spent one afternoon reading it in one breath. Since I have been engaged in the study of the history of the Bohai Sea in the Sui and Tang Dynasties, I have seen more dissertations of theses on the Bohai Sea and those of the authors I am also familiar with. Zhao Hongguang, the author of this book, although aware