This document provides a template and guidelines for writing a personal letter to a pen friend. It includes sections for the greeting, four main paragraphs to share news and updates, closing expressions, and signature. Useful expressions are suggested for each section. The document also includes a checklist to ensure the key elements of a friendly letter are included, such as mentioning the previous letter, sharing feelings and news over multiple paragraphs, stating a reason for ending the letter, and using an informal tone with contractions and vocabulary.