One of your final steps in the journey is the attainment of an ISBN number and a barcode. This number identifies your book’s publisher, edition, publication region, and physical properties. The barcode is a graphical representation of your ISBN and pricing information. Simply put, they are a unique identifier for your publication—no other number or media will have that exact ISBN or barcode.
“What’s your story about?” As a writer, you have probably been asked that questions many times. Often, writers fall into the trap of stating something like, “science fiction,” or “it’s a mystery novel.” However, they are simply giving the genre and not the theme. What is a theme? A theme simply answers what the story is about.
Every book is unique. The book arrangement shouldn't be. It's important that the organization follows standard publishing industry practices. Parts of a book should appear in a standard location in every book. Organizing your book using these rules makes finding things easier for your reader. For example, every book has a front cover and a back cover. Prologues and table of contents are up front, indexes are in the back, etc.