What is the author's style in Among the Volcanoes by Omar S. Castaneda?

Among the Volcanoes is narrated from the third-person point of view. The novel is Isabel's story, however, and the narration is from her perspective. The reader is allowed into her thoughts and feelings, which makes her realizations and transformations understandable and credible to the reader. The story is told in the present tense, so Isabel's reactions and feelings are fresh.