Information on the series edition: The successful textbook for the second foreign language. Volumes 1-4 cover the four-year course. The final volume, Paso al bachillerato, serves as a transition between intermediate and advanced levels. It includes grammar and vocabulary review, an introduction to text work with thematic vocabulary, a learning/project task, and examples of cooperative forms of learning.

Accompanying material for students includes a classwork trainer with an audio CD and skills training also found in the cuadernos Mi cuaderno de gramática (Volumes 1 and 2), which features learner grammar to fill in and a vocabulary pocketbook.

Accompanying material for teachers consists of diagnostic and support material, interactive board pictures for whiteboard and beamer, competency-oriented performance measurements with suggestions for an oral class test, and a DVD for volumes 1/2 and 3/4. Additionally, there are handouts with copy templates and slides.