Written entirely in Spanish by instructors with years of experience, this textbook is a comprehensive guide to essay writing in Spanish. It provides advanced students of Spanish with the necessary tools to write fluently and effectively, both developing their reading, writing and critical thinking skills, and teaching them to practically analyse the rules of spelling, punctuation and grammar. It is organised into six chapters, progressing in level and complexity, which take students step-by-step through the writing process. Each chapter contains a number of features such as lists of new vocabulary, assessment checklists, questionnaires, and activities based on writing samples. It also includes an accompanying web resource, which features additional exercises for students, and a lesson plan and downloadable PowerPoint presentations for teachers. By drawing on the principles of grammar, this essential resource will help students become proficient writers, across a range of textual genres.