A country of fiddlers and poets, whores and scoundrels"-Nelson's famous description of Naples-was a world eagerly embraced by a young Irish doctor called James Lowry who went to sea, apparently, for the sheer sense of adventure and a desire for exotic travel. Sent to join Nelson's victorious fleet after the Battle of the Nile, he experienced more naval action and saw more foreign climes than he had anticipated. What really engaged his interest (and...