When two maps surface, each bearing the same hidden riddle, nineteen-year-old Elias, a royal mapmaker, sets sail with King Ulises to uncover long-held secrets behind the mysterious disappearance of the king's two young brothers eighteen years earlier.

Since the murder of the maharani of Ashoka--the country that controls all magic--the relationships between the royal siblings have fractured. At only 18, Vira has ascended to the throne, a role few in her council believe her capable of. Meanwhile, her twin brother, Ronak, is plotting to break free from a tactful marriage and taking their half-brother, Kaleb, (wrongfully imprisoned for the maharani's assassination) with him. The siblings' unease comes...

From the critically acclaimed author of The Book of M, a highly imaginative thriller about a young woman who discovers that a strange map in her deceased father's belongings holds an incredible, deadly secret--one that will lead her on an extraordinary adventure and to the truth about her family's dark history. What is the purpose of a map? Nell Young's whole life and greatest passion is cartography. Her father, Dr. Daniel Young, is a legend in the...