This is book number 2 in the Aubrey/Maturin Novels series.
"Master and Commander raised almost dangerously high expectations, Post Captain triumphantly surpasses them...a brilliant book." —Mary Renault
"We've beat them before and we'll beat them again." In 1803 Napoleon smashes the Peace of Amiens, and Captain Jack Aubrey, R. N., taking refuge in France from his creditors, is interned. He escapes from France, from debtors' prison, and from a possible mutiny, and pursues his quarry straight into the mouth of a French-held harbor.