This document provides information about writing task 1 of the IELTS general exam. It discusses the requirements of the task, which include writing over 150 words in the form of a letter within 20 minutes. It outlines the criteria that will be assessed, including task achievement, coherence, vocabulary, grammar, and formality. It then gives examples of different letter purposes, such as requesting information, giving information, making a complaint, or thanking someone. Useful language for requesting information in a letter is also provided, along with a sample letter responding to a task asking to make hotel arrangements.