Lady thief Scarlet series, book 2.

Scarlet's true identity has been revealed, but her future is uncertain. Her forced marriage to Lord Gisbourne threatens Robin and Scarlet's love, and as the royal court descends upon Nottingham for the appointment of a new Sheriff, the people of Nottingham hope that Prince John will appoint their beloved Robin Hood. But Prince John has different plans for Nottingham that revolve around a fateful secret from Scarlet's past even she isn't yet aware...