Welcome to Self-Publishing LOW COST OF SELF-PUBLISHING 13  Beware of Publishers Copyright & ISBN Editing Layout graphics Cover design Copyright/ ISBN Press release Marketing Print Costs International Standard Book Number ISBN wiki ISBN You must have a separate ISBN number for each edition of your book:  Paperback  per publisher    eBook per publisher Kindle, Nook, iBookstore, Lulu*, Smashwords*  *Mutiple listings from same publisher