The "Aula Internacional Plus 4" coursebook is a comprehensive resource that covers various topics relevant to everyday life, such as work, travel, culture, and social issues. The book is structured into 10 units, each focusing on a specific theme. The lessons are carefully designed to promote communicative competence, with an emphasis on interaction and practical application of language skills.

"Aula Internacional Plus 4" is a Spanish language coursebook designed for adult learners, particularly those at the B2 level of the Common European Framework of Reference for Languages (CEFR). The course aims to improve students' language skills in reading, writing, listening, and speaking.