Legends of the Brethren Court: Day of the Shadow

Pirates of the Caribbean: Legends of the Brethren Court: The Fourth Estate is the fifth and latest in a series of novels for adults.

Publisher summary
Jack sets sail for France, in the hopes of finding yet another piece of Shadow Gold, the Pirates Lords helping him along the way being Barbossa, his first mate and CapitaineChevalle. Once there they face the notorius band of thieves, the Fourth Estate.