The seventh sun

"Thrust into leadership upon the death of his emperor father, young Prince Ahkin feels completely unready for his new position. Though his royal blood controls the power of the sun, he's now responsible for the lives of all the Chicome people. And despite all of Ahkin's efforts, the sun is fading--and the end of the world may be at hand. For Mayana, the only daughter of the Chicome family whose blood controls the power of water, the old emperor's death may mean that she is next"--Provided by publisher.