This document provides guidance on writing effective letters of recommendation. It discusses the importance of writing recommendation letters that are helpful to both the applicant and selection committee. The key points made include gathering relevant information about the applicant and position, having a structured format with an opening paragraph about your qualifications, supporting paragraphs with specific examples and evidence about the applicant's qualifications, and a closing summary statement. Common pitfalls to avoid are also outlined, such as writing letters without knowing the applicant well or criteria of the position. The goal is to write organized, substantive letters that highlight how applicants meet expectations.