In ETERNITY IN A GRAIN OF SAND, Gardner explores the deep questions of existence, faith, and understanding. The book seeks to provide readers with an experience that transcends conventional thought, offering a path to discovering "blessed assurance" through spiritual inquiry. The book's central themes include: The Spirit of Truth and Revelation Exploring the Authentic Article of Blessed Assurance Postmodern Probing of the Unknown Through rich imagery and compelling thought, the book leads readers into a deeper understanding of the assurance that can only be found in spiritual certainty. Gardner employs a postmodern lens to question and explore the mysteries of existence and being, taking readers beyond the surface of existential questions into the heart of what it means to seek Truth.