对于概念“一种书”,目前图书馆界还没有给出严格的定义。“著录项目即记录的每个项目完全相同者才称得上是复本书”、“只要有一项著项目相异,都应根据各馆的具体规定,或是作为新书重新分类,或是加以某种程度的区分①”。笔者认为,概念“一种书”从狭义上说就是:书名、责任者、版本、版次、版刻、出版者、出版地、开本、页码、装帧、内容等完全相同的书。在这个概念的内涵下,其外延就是一群一模一样 The concept of “a book”, the current library industry has not given a strict definition. “The bibliographic record, which is identical to each item recorded, is called a duplicate.” “As long as there are items of a different character, they should be reclassified according to the specific provisions of each library or as a new book, or be added A certain degree of distinction ① ”. The author believes that the concept of “a book” is narrowly speaking: the title, the responsible person, the version, the version, the engraving, the publisher, the publishing place, the capital book, the page number, the binding, the content and so on. In the connotation of this concept, its extension is a group of exactly the same