A solid 8/10. Buy or download it —but only if it’s the latest edition. For passing the multiple-choice exam, this + practice tests are all you really need.
After downloading, cross-check the table of contents with the latest exam program from the Ministero delle Infrastrutture e dei Trasporti . Also consider pairing the PDF with a free quiz app or YouTube video series on “Carteggio nautico” (chart plotting exercises). Manuale Patente Nautica Entro 12 Miglia Pdf Download