A four-level Spanish language course for high school students and adults, from beginner level A1A2, through B1 B2, to advanced level C1, in accordance with the program requirements set by the Cervantes Institute and the European System of Education for Languages. The material available in the first three parts allows for 120 to 150 teaching hours, and the last part for 180 hours. The course is primarily intended to prepare students for active participation in linguistic communication, hence the emphasis on developing social and cultural competences as well as strategies for self-assessment of learning progress. Student's book with an audio CD, 12 chapters, 4 projects, exercises developing various language skills, in particular communicative ones, grammar tables, abbreviations for communicative expressions, a grammar summary page, communicative content and vocabulary at the end of each chapter, an audio CD illustrating at least one different accents used in Spain and the 5 main accents used in Latin American countries