What is the author's tone in the memoir, Damaged?

Damaged - The Heartbreaking True Story of a Forgotten Child by Cathy Glass tells the tragic story of a profoundly abused child as told by her caretaker who is also the author of the book. Cathy Glass writes the account as both a professional caregiver with twenty years of experience and as a caring and kind woman who came to love the very disturbed little girl.