The "Crier's War Series" is a young adult fantasy series written by Nina Varela. It explores a world where humans and Automa, sentient beings created by humans, coexist. The story primarily follows two main characters: Crier, an Automa princess, and Alys, a human girl who harbors a deep-seated resentment towards Automa due to her family's tragic past. The series delves into themes of love, power, and identity, as Crier and Alys navigate their complex relationship amidst societal tensions. The first book, titled "Crier's War," sets the stage for their intertwined fates, while the sequel, "Iron Heart," continues to develop their journey and the challenges they face.