Based on reviewer feedback, here are some of the changes that we made in the Third Edition:

• New Panorama cultural sections provide unique cultural coverage of the 21 countries in the Spanish-speaking world.
• Vistazo cultural features have been updated and revised, and some new Vistazo cultural features have been added.
• Some content has been streamlined for more manageability and flexibility:

• Lecciones 9A and 9B have been combined to form a single Lección final.
• The Sol y viento film section now appears solely in the B lesson of each unit.

• A significant number of production activities, including new ¿Qué opinas? activities starting in Lección 4A, have been added.
• Revised unit openers introduce film episodes through visuals and brief questions that serve as a type of pre-viewing opportunity for students.
• New Resumen de gramática sections bring together film clips that highlight grammar points in a given lesson and provide grammar practice.
• New Puente musical feature uses a song in Spanish to illustrate a particular vocabulary or grammar point in a given lesson.
• Navegando la red Web activities are now called En el Internet.
• Enfoque lingüístico sections have been deleted.
• A Glossary of Common Grammatical Terms has been added to the Appendix.