Uploading my webcomic book to Amazon KDP A talked about the first section of the publishing process of Amazon KDP in a previous post was all about creating the title and filling out all the information about my book. The next section in the Amazon KDP process is for the book content itself , where I upload the files I created for my book pages . ( Related post: Video - Making a Webcomic Book on Amazon Part 3 ) Choosing an ISBN code for my book It asks me to choose an ISBN code . Choosing an ISBN code Amazon KDP actually gives me the option to create an ISBN code through them. Some information about ISBN codes for books An ISBN is assigned to each separate edition and variation (except reprintings) of a publication. For example, an e-book, a paperback, and a hardcover edition of the same book will each have a different ISBN. via Wikipedia . It's the barcode that they put on the back of each book. Amazon can create an ISBN code for you and they do it for free . Can I u...