What is the narrator point of view in the novel, The Girl Who Drank the Moon?

The Girl Who Drank the Moon is narrated in the past-tense, and its narration is in the third person. The narrator is omniscient, and the narrator's focus shifts focus with each chapter. Interspersed chapters, however, come from the first-person point of view of a mother telling her child stories about the Witch that lives in the forest.