Bloodlines

"But why, Kyle? Tell me. For what reason have our three races waged war on each other since the beginning of history? TELL ME!"

Sibyl, who corrupted the fae with his good intentions
Marduke, the first king.
Roan, the man who slew the gods.
Amara, the girl whose thirst for adventure changed the world.

Bloodlines is the origin story of the Amarok series. It details the history of the changers, vampires, and the fae. It is not necessary to read this book to understand the others, but the events and characters mentioned will have relevance in later books.