<B>A ';compelling' (<I>The</I><I>Wall Street Journal</I>) account of the only mutiny in the history of the United States Navya little-known but once notorious event that cost three young men their livespart murder mystery, part courtroom drama, and as propulsive and dramatic as the bestselling novels of Patrick O'Brian.</B><BR><BR>On December 16, 1842, the US brig-of-war <I>Somers</I> dropped anchor in the New York Harbor at the end of a voyage intended to teach a group of adolescents the rudiments of naval life. But this routine exercise ended in catastrophe. Commander Alexander Slidell Mackenzie came ashore claiming he had prevented a mutiny that would have left him and his officers dead. Some of the thwarted mutineers were being held under guard, but three had already been hanged at sea: Boatswain's Mate Samuel Cromwell, Seaman Elisha Small, and Acting Midshipman Philip Spencer, whose father was the secretary of war, John Spencer.<BR><BR>Eighteen-year-old Philip Spencer, according t