Here is a list of memoirs that employ the use of a third-person narrator to tell the story of the main character's life. These books offer a unique perspective on the personal experiences of the author and provide an in-depth look into their struggles, triumphs, and growth:

1) "The Glass Castle" by Jeannette Walls - A memoir about a young girl growing up in a dysfunctional family with a nomadic lifestyle and her journey to overcome the challenges and trauma she faced.

2) "Educated" by Tara Westover - A memoir about a woman who, despite not having a formal education, escapes from her strict and abusive family and goes on to earn a PhD from Cambridge University.

3) "The Color Purple" by Alice Walker - A Pulitzer Prize-winning novel that takes the form of a memoir and tells the story of an African-American woman living in rural Georgia during the early 20th century.

4) "I Know Why the Caged Bird Sings" by Maya Angelou - A memoir that chronicles the author's childhood and adolescence, including her experiences of racism and trauma, and her eventual emergence as a leading figure in the Civil Rights Movement.

5) "The Diary of a Young Girl" by Anne Frank - A diary written by a Jewish girl, Anne Frank, while she was in hiding with her family during the German occupation of the Netherlands during World War II.

6) "Angela's Ashes" by Frank McCourt - A memoir by the author about his childhood and family in Limerick, Ireland during the 1930s and 1940s, living in poverty.