This is the tutors book (in Spanish) for the second level of Avance, whose level of Spanish is A1 and A2, according to the Common European Framework of Reference for Languages. The authors place a great deal of importance on real materials (documents, photographs, advertisements, ), which put students in contact with authentic language and cultural samples. The book provides a wide variety of communicative, grammatical and lexical exercises. At the beginning of the book there is an Introductory Unit, for the teacher to test the students` knowledge. The book includes at the back the transcripts of the audio CD recordings. New version Nuevo Avance from 2009.