JJHF HF F HF HG HG H HG Ht goes on the back cover of your book and on sites like Amazon. It should be short, compelling and reveal just enough so that the reader would yearn to know more. It is usually written in third-person narrativet goes on the back cover of your book and on sites like Amazon. It should be short, compelling and reveal just enough so that the reader would yearn to know more. It is usually written in third-person narrative