REYNOLDS, Alastair : Bone Silence ORBIT 9780316462754

The Ness sisters ran away from home to become the most fearsome pirates in the twenty thousand worlds of the Congregation. They've plundered treasures untold, taken command of their own ship, and made plenty of enemies. But now they're being hunted for crimes they didn't commit by a fleet whose crimes are worse than their own. To stay one step ahead of their pursuers and answer the questions that have plagued them, they'll have to employ every dirty, piratical trick in the book....