This document provides guidance on writing effective query letters for literary agents. It emphasizes that the purpose of a query letter is to intrigue the agent and make them want to request the full manuscript. It should not be a synopsis of the book. The document outlines when to start working on a query letter during the writing process and when to start sending it out. It provides tips on elements to include, such as a compelling hook, details on the protagonist and their goals/conflicts, comparable titles, and a short bio. The document advises keeping the query concise and focused on the first act. Resources for additional querying advice are also listed.