Dos Mundos made its name as a pioneer in Beginning Spanish, and has maintained its spirit of innovation through many successful editions. Today, it continues to be one of the best-selling beginning Spanish language textbooks in the nation. Based on the communicative approach, Dos Mundos stresses the use of engaging activities in a natural and spontaneous classroom atmosphere. In this research-based approach to learning language, the development of communicative language skills is the central goal, with formal grammar presentation and practice at the service of communication.