This comprehensive grammar book offers an in-depth approach to Spanish at the C1-C2 level, with clear explanations of the theory and practical exercises. The book is aimed at advanced users who want to perfect their knowledge of Spanish grammar. Thanks to the combination of theory and practice, users can effectively improve their language skills. The material is suitable for self-study and as a supplement to language courses. The book's structure makes it easy to find and practice specific grammar topics, making it ideal for those who want to work specifically on achieving a high-level language proficiency.