The preface written by myself is called "preface"
Preface, also known as "preface", "preface" and "introduction", is an article placed before the text of a work. The author's own writing is called "preface", which mostly explains its content, writing reason, process, theme and characteristics; The preface written by others is called "preface", which introduces and comments on the ideological content and artistic characteristics of the book.
Contents and postscript can be arranged according to your own preferences. In general, the table of contents is arranged after the preface, and the postscript is arranged after the content.
Postscript is generally based on the content plot, extending the content. It can be emotional development, writing time, follow-up supplement to the content and so on. You can write about the later life of the characters or the feelings you want to express according to your own articles. The above comments are for reference only.