Health Issues: The book discusses Michael Jackson's declining health in his later years, including his struggles with chronic pain, prescription drug use, and physical deterioration.

Financial Troubles: Halperin explores Jackson's financial struggles, including mounting debt, legal battles, and the sale of assets such as the Neverland Ranch.

Isolation and Loneliness: Jackson's increasing isolation from friends, family, and the outside world is a recurring theme in the book. It examines the psychological toll of his fame and the challenges of maintaining personal relationships.

Legal Battles and Scandals: "Unmasked" delves into Jackson's legal battles and scandals, including allegations of child sexual abuse and the infamous 2005 trial in which he was acquitted of all charges.

Cultural Legacy: Despite his personal struggles, the book highlights Jackson's enduring impact on popular culture and music, emphasizing his influence as an artist and entertainer.

Family Dynamics: Halperin explores Jackson's relationships with his family members, including his parents, siblings, and children. It examines the complexities of family dynamics and the role they played in Jackson's life.

Religious Beliefs: The book delves into Jackson's religious beliefs and spiritual practices, including his affiliation with the Jehovah's Witnesses and his interest in various New Age philosophies.

Legacy and Reputation: Halperin examines Jackson's legacy and the ongoing debate surrounding his reputation, particularly in light of the controversies that surrounded him in his later years.

Humanitarian Work: Despite his personal struggles, the book acknowledges Jackson's philanthropic efforts and humanitarian work, including his support for various charitable causes and organizations.

Tragic Ending: "Unmasked" concludes with Jackson's tragic death in 2009, examining the circumstances surrounding his passing and the impact it had on his fans, family, and the music industry as a whole.