A book that accompanies the Avatar 1 method. It systematically reorganizes the contents of the student’s book and the activity book and: 1. gathers the basic vocabulary translated into Greek. 2. highlights the important concepts of each lesson. 3. suggests explanations and practice exercises for their assimilation. 4. aims at reinforcing knowledge. It is addressed to: the student, the teacher, the parents. Each lesson includes: 1. the translation of the statements and vocabulary of the student’s book activities. 2. boxes titled vocabulary presenting the thematic vocabulary necessary to remember in order to save time. 3. boxes titled grammar presenting and explaining in the native language the grammatical phenomena studied or the verbs conjugated in the lesson. 4. boxes titled culture gathering the vocabulary of the student’s book. 5. the translation of the statements and vocabulary of the activity book. At the end of each unit: exercises aimed at acquiring the structures.