黑龙江省博物馆刘晓东研究员的《渤海文化研究》一书,由张忠培先生作序,已正式出版了①,这是学术界值得祝贺的事。而作为作者的大学同班同学,我的兴奋心情又是异于他人的。第一,当初作者曾考虑以出论文集的形式来表述其渤海研究成果,是我建议其用专著的形式来表述的。目前,尽管 Heilongjiang Provincial Museum Liu Xiaodong researcher’s “Bohai Sea Cultural Studies,” a book, prefaced by Mr. Zhang Zhongpei, has been officially published ①, which is worthy of congratulation in academia. And as the author’s college classmate, my excitement is different from others. First, when the author had considered presenting his research achievements in the Bohai Sea in the form of a dissertation, I suggested that it be expressed in the form of monographs. At present, though