The Obsidian Chronicles

Not to be confused with The Obsidian Trilogy.

The Obsidian Chronicles are a trilogy by Lawrence Watt-Evans. The three books are Dragon Weather, The Dragon Society, and Dragon Venom.

It centers around a boy named Arlian and his quest for vengeance against the dragons that destroyed his hometown and killed his family, and against the man who sold him into slavery, the mysterious and ruthless Lord Dragon. Along the way, Arlian will uncover the secret behind draconic reproduction, and even how to make a god.