The student book level 4 includes a total of 12 units. Each unit includes the following:

A cover page for the presentation of the new content and the objectives of the specific unit. 3 sections for work on language skills, as well as grammar, vocabulary, and pronunciation.

A 'Culture and Communication' section for the development of students' sociocultural and intercultural skills. It includes a page dedicated to speaking and listening (Hablar y escuchar), a page dedicated to reading (Leer), and another page dedicated to writing (Escribir).

A self-assessment section after every 2 units, so that students can track their progress. An appendix that includes: practical exercises, grammar and vocabulary exercises, a section for regular and irregular verbs. Transcriptions of the audio content are provided.

A plethora of new videos every 2 units, to help enhance the content of each unit. Each chapter is set in a different location on the Mediterranean coast, where the protagonists spend the summer.