How to Write Query Letters for Your Students

Don't try to do the weird mashup because if you tell me it's Game of Thrones for middle grade readers. The back cover copies versus the catalog copies I've seen in many cases, the catalog copy is like back cover copy plus. After that, it's packaging. If you are self-publishing, get good cover art that does make a difference. Do you notice the difference between when you have good cover art and well-designed cover concept? What really works for you?