The Sun at Twilight (Empire at Twilight, #4)

In the twilight years of the Hittite Empire (1230s BC), Tudhaliya IV comes to the throne as a usurper's younger son, determined to rule according to the traditional values of justice and clemency, despite the harder advice of his ambitious mother and his questionably loyal older brothers. When his cousin Kurunta, with whom he was raised as someone dearer than a brother, decides his own claim to the throne is stronger than Tudhaliya's, the latter must decide whether to apply the brutal pragm...