The book "Father Damian: An Open Letter to the Reverend Dr. Hyde of Honolulu" is a very important work by the Scottish writer Robert Louis Stevenson. In this letter, the author turns to the religious figure of the Hawaiian Islands to defend the honor and dignity of his friend - the holy Father Damian. The book tells the impressive story of the life and ministry of this missionary on Molokai, where he did missionary work among leprosy patients. Because of his dedication and sacrifice, he became a true symbol of charity and heroism. This book helps to better understand the spiritual world and the inner world of a person who is ready even to sacrifice in the name of others.