An ISBN is essentially a product identifier used by publishers, booksellers, libraries, internet retailers and other supply chain participants for ordering, listing, sales records and stock control purposes. The ISBN identifies the registrant as well as the specific title, edition and format.
ISBNs are assigned to text-based monographic publications (i.e. one-off publications rather than journals, newspapers, or other types of serials).Any book made publicly available, whether for sale or on a gratis basis, can be identified by ISBN.In addition, individual sections (such as chapters) of books or issues or articles from journals, periodicals or serials that are made available separately may also use the ISBN as an identifier.With regard to the various media available, it is of no importance in what form the content is documented and distributed; however, each different product form (e.g. paperback, EPUB, .pdf) should be identified separately.
The ISBN is an identifier and does not convey any form of legal or copyright protection. However, in some countries the use of ISBN to identify publications has been made into a legal requirement.
Copy editing (also copyediting) is the process of revising written material to improve readability and fitness for its purpose, as well as ensuring that text is free of grammatical and factual errors. In the context of publication in print, copy editing is done before typesetting and again before proofreading, the final step in the editorial cycle.
Cover creation is the very last creative step when publishing a book. That’s because almost everything about the anatomy of a book cover is controlled by the final, edited version of the book: the trim size, paper color and number of pages all determine your cover’s dimensions. There is never a good reason to design the cover before the final draft is finished, because doing so is likely to mean you’ll need to do it again anyway.