A query letter is like a cover letter for your book. Just like there is a general recommended outline for cover letters, there is also a general format for a query letter. Read on the five elements of a perfect query letter, plus some extra tips, tricks, and resources.
Writing is an art just like any other, and as such, there are no hard-and-fast rules to follow. However, the following are some habits I notice authors falling into that, if adjusted, could really expand the reader's understanding of a character and their actions.