What is the author's tone in the nonfiction book, One Child?

The tone of the book is objective. Torey tells the story as it happened and leaves it up to the reader to add any subjectivity. However, Torey's compassion spills over and the reader wonders if her perception of Sheila is not altered because of their relationship. Torey does not hold back in her description of events. She does not shield the reader from the harsh reality of Sheila's difficult life.