“书”的意义有多种，最常用者有二：一是写文字，“书”就是写的意思；一是指文字及其载体，即书籍。本文说的是后一种书。书的出现有个长期演变的过程，在早期，文字载体各式各样，与人们所处的不同环境和生活习惯等有密切关系。如古代埃及人把文字写在尼罗河沿岸生长的一种 There are many meanings of “book”, the most common ones are two: one is to write the text, “book” is to write meaning; one refers to the text and its carrier, that is, books. This article is the latter book. The emergence of the book has a long-term evolutionary process, in the early days, a wide range of text carrier, and people in different environments and living habits are closely related. As the ancient Egyptians written in the Nile one kind of growth