The student's book includes 12 units, which are divided into 4 parts. At the end of each chapter, there is a section entitled 'Acción', which offers students a task or a mini-project, as well as a learning diary to encourage them to assess their understanding of the content covered. Additionally, there are activities embedded in the 12 units that will help students prepare for the DELE. The 'Grammar' section of the book contains a plethora of exercises designed to test students' knowledge of the grammatical topics presented. The answers to these activities can be found at the back of the book, along with the transcripts related to the audio content.