If you don’t know your subgenre, you won’t reach the right audience. The mystery genre contains a variety of subgenres. When you are clear about subgenre, you’re prepared to write a story that appeals to the right readers. Someone who loves a cozy mystery may have no interest in your cop thriller or noir detective.
A subgenre is a subcategory within a genre. Within the mystery and crime genre a variety of subgenres.
How you label your story will help you reach the right editor and categorize your book to self-publish on digital platforms like Amazon.