on Fiction University:
If you’re self publishing, you might think your query-writing days are over—but they’re not (sorry!). The target of those query letters has simply changed.
Think about it—a query for an agent or editor only needs to convince a handful of people to read the book. Cover copy has to convince every reader to read it. That’s a lot of pressure for a few paragraphs.
Luckily, some of the details that complicate a query letter don’t apply to cover copy, which makes the process a little easier.