GLOSSARY OF PUBLISHING TERMS, ABBREVIATIONS AND ACRONYMS

Herman, you might be confusing a "query letter" with a "cover letter." It's in a query that you want to express yourself in the style of your writing. A cover letter generally accompanies a full manuscript or other submission and is a simple business letter. Here's a link to where I wrote up a sample cover letter, and another where I wrote up directions on how to craft a query.