My Awesome Book
This file file serves as your book's preface, a great place to describe your book's content and ideas.
Tutorial of gitbook
This is a tutorial that using git-book software to edit the gitbook webpages
https://kingofamani.gitbooks.io/git-teach/content/chapter_6_gitbook/chapter_6_gitbookgitbook2.html
An experience sharing
http://www.codedata.com.tw/social-coding/gitbook-self-publishing
re-organize the chapter and section
Add Chapters in the left menu, "Table of Content"
Add space in front of 'section' in the SUMMARY.MD