"Grammar Avenue" presents the most important grammatical phenomena of Modern Greek in a simple and user-friendly manner. It is essentially a grammar guide-assistant, suitable for those learning Greek as a second or foreign language, for those teaching the Greek language to Greek and non-Greek speaking students, as well as for native speakers who prefer a grammar book that is as uncomplicated as possible.

"Grammar Avenue" contains the following chapters:

- Article
- Noun
- Adjective
- Adverb
- Pronouns
- Verb
- Participle
- Prepositions
- Sentences

All grammatical phenomena in the book are presented with:
Clear rules
Detailed tables
Categorized exceptions
Simple explanations for difficult issues
Notes to avoid the most common mistakes
Practical examples

At the end of the book, there is a brief spelling guide as well as a glossary in English, French, German, Spanish, Italian, Russian, and Arabic.

"Grammar Avenue" enables the user to easily understand the grammar of Modern Greek, thus helping them to communicate correctly without doubts.