Key features and themes of "Science and Health, With Key to the Scriptures" by Mary Baker Eddy include:Christian Science Philosophy: The book presents the foundational teachings of Christian Science, a religious movement that emphasizes spiritual healing and the idea that understanding the true nature of God and reality can lead to physical and spiritual well-being.Metaphysical Interpretation: Eddy offers a metaphysical interpretation of the Bible, suggesting that its stories and teachings hold deeper spiritual meanings that can be understood through the lens of Christian Science.Healing Through Prayer: A significant aspect of Christian Science is the belief in the power of prayer to heal illness and restore harmony. Eddy discusses the principles of healing through spiritual understanding and reliance on God's divine laws.Nature of God and Reality: Eddy's writings explore the nature of God as infinite, all-loving, and all-powerful. She suggests that understanding this divine nature helps individuals overcome the limitations of the material world.