What is the author's style in Getting Near to Baby by Audrey Couloumbis?

The story of Getting Near to Baby is narrated by the thirteen-year-old protagonist, Willa Jo. Therefore, the perspective and the language used is that of an adolescent. The fear that Willa Jo has after her baby sister dies is obvious in the over-protective attitude she develops for her seven-year-old sister. Her worries are revealed to the reader in her thoughts—she is not about to lose another sister.