The latest versions, such as the 21st edition (2024/2025), are massive, multi-volume works (often 3 tomes) that cover every facet of the profession: Bruno Zevi - Forage

Il Nuovissimo Manuale dell'Architetto 3° Volume - Amazon.it

You will find fragmented PDFs of the Nuovissimo Manuale in academic file-sharing circles, but a complete, legitimate digital copy is locked behind institutional paywalls or physical books. The “nuovissimo” in digital form is still, ironically, an unfinished project—just as Zevi would have appreciated, since architecture for him was never a closed book.