Summary: The book provides insights into the life and teachings of Sadhu Sundar Singh, a mystic of the twentieth century who combines mystical experiences with practical service. The Sadhu's theology, narrated through anecdotes, illustrations, and parables, forms a complete picture of his beliefs. His views on forgiveness, sin, and repentance are illustrated through stories and analogies, emphasizing the transformative power of spiritual experiences. The Sadhu's visions offer a glimpse into his encounters with divine beings and heavenly realms, shedding light on his understanding of the afterlife. The book captures the essence of the Sadhu's message, blending mysticism with practical wisdom and spiritual guidance, making it a valuable resource for those seeking a deeper understanding of his teachings and experiences.