That "free" ISBN your publishing platform offers isn't actually yours—it belongs to them. Here's how ISBNs really work, what they cost, and how to make sure you keep full control of your book.

A great book description follows a simple 3-part structure: hook, content, and a call to action or cliffhanger—kept between 150 and 300 words in third person. Get that structure right, and your description becomes the single biggest lever for turning browsers into buyers.