Book I of Conqueror. A man without a tribe was at great risk, so the young boy abandoned with his siblings on the harsh Mongolian plains has to struggle for life. He survived both starvation and hostile attack by learning leadership skills and gathering a group of outsiders and outcasts like himself. He dreamed of uniting the tribes into one house, one nation. He became a great warrior who would be a father to his people. He would be Genghis Khan. https://cosmiccauldronbooks.com.au/products/lords-of-the-bow-conn-iggulden