Each unit in the textbook contains a variety of textual styles through the inclusion of varied authentic documents, ranging from literary passages to Facebook posts. Your students will be exposed to different geographical and socio-linguistic varieties of Spanish, through discussion of current issues, and topics of general interest in the classroom. The teacher will be able to work with the units in a flexible manner and, if desired, putting into practice the inverted class techniques. The USB key contains: the student's book and the interactive exercise book, the audios, the teacher's book, transcripts and additional downloadable resources.