The Cipher — Diana Pharaoh Francis

Welcome to Crosspointe, the hub of the Inland Sea, where gold runs like water, and the balance of politics shifts uneasily between the monarchy, the majicars, and the Merchants' Guild--a land where dangerous majick courses through the black waters.

A member of the royal Rampling family, Lucy Trenton possesses a most unique talent: the ability to detect majick and those who wield it. She has kept her ability a secret all. her life to avoid bringing scandal to her family, but lately Lucy has grown careless. When she recklessly uses her gift to locate a valuable and treacherous majickal cipher, she finds herself embroiled in a dangerous intrigue that threatens her life--and the life of every person in Crosspointe.

And to make her troubles worse, she's also kept her secret from a most persistent suitor, dashing and mysterious ship captain Marten Thorpe. And now she desperately needs his help....