Between Wolves and Kings, Sonja Bohmann-Murach [highly recommended books TXT] 📗

Eyleen experiences a terrifying vision of her mother during the holy rituals at the feast of the "Falling Stars". Fiulchú, the guardian of the goddess of the moon Sailach, begin to search for the wise ancestor. Nowhere there is a sign – until the Fiulchú discover the Abyss of Shadows in the world of spirits.