Ship of Magic (Liveship Traders Series #1)

Demonstrating world-building finesse, Robin Hobb begins the climatic story of a seafaring clan and its tangled destiny. Though expected to inherit her family's newly quickened liveship, Althea Vestrit loses the honor to her scheming brother-in-law, who plans to use it as a slave ship. The ruthless pirate Captain Kennit also sees a captured liveship as his key to success. Soon Althea is forced to fight both men to regain the animate, intelligent liveship, her family's most treasured possession.