Dawn of the Dragon's Eye: The Tellurae Aquaous Series

When a second-son is born into the House of Arne, there is much rejoicing, for it is believed that the ancient prophecy will be fulfilled at last. Prince Rhoyan, however, is unaware of his own importance, even when he is given special training and sent to an old and very mysterious tutor who begins to teach him everything he will need to know about ruling a kingdom.