Includes
1. The Thematic units, source of thematic material and communication acts of speech for level 1.
2. General remarks at the beginning for the teaching of the book
3. Analytical structure of the books 1a and 1b.
4. Detailed presentation of each chapter and its individual sections. Highlighting of the objectives of each chapter.
5. Key book to the exercises of the Textbooks Asterias1a and 1b.
