The book contains thirteen basic thematic units and aims to provide an original and comprehensive approach to the thematic cycles of Expression - Composition in high school.

Each thematic unit includes:
- Variety of texts (from classical texts of essay writing to contemporary articles and editorials) for a deeper and more comprehensive approach to the content.
- Tables of definitions of specialized and general vocabulary.
- Various types of questions for substantive reading and study of the texts.
- Organization and coding diagrams of arguments.
- Language games, exercises for rhetorical competitions with a collaborative orientation.
- Methodology for the semantic connection of seemingly distant thematic units.
- Evaluation criteria with graded difficulty questions and original written production tasks.