Trafalgar was an amazing, dramatic event. The grandeur of the ships and the legendary characters involved are well described in this book, and you can tell that Dudley Pope was a man who was fascinated with the age of fighting sail. He was also a very good writer and he described it well.
Pope started out by describing the voyage of the HMS Pickle, the 4 gun schooner which carried news of Nelson's victory as well as his death back to England immediately after the battle. This small part of the great story of Trafalgar might be ignored or briefly mentioned by another author, but Pope related it as the dramatic story that it was. He described the heavy weather which battered the tiny, unescorted ship through hostile waters during her 1000 mile voyage home, causing her to leak badly. He described the overland voyage to London by the young Lieutenant Laponetiere, who arrived at the Admiralty, utterly exhausted, late at night to deliver his stunning news to an elderly, overworked clerk. And all this is just the first chapter.
Subsequent chapters describe the British, French and Spanish navies of the time, the strategies of Napoleon and Pitt, Nelson's life and the relationship he had with his Captains, the life of the common sailor, and even the conditions in Cadiz in 1805. Pope's writing is full of color and detail, and this book moves quickly.
Pope managed to describe the action of the battle very clearly with the use of diagrams of the battle as a whole and of individual matchups between opponents. He made the complex action understandable, and described the dramatic death of Nelson without getting bogged down in melodrama.
The aftermath of the battle, as well as it's importance to the Napoleonic wars and the future of the Royal Navy, are insightfully described towards the end of the book.