Many people fear death. Death confuses people and they are drowned in grief. Everyone has to witness death sometime in their life. At such a time, hundreds of questions arise in the mind of a person about the real nature of death. When he doesn't get any answer, he gets worried. What is death? What happens in the process of dying? What happens after death? Who can tell about the experience of death? The dead cannot tell their experience. He who is born does not know his pre-existence. No one knows what happens before birth and after death. Is reincarnation true? What is the basis of reincarnation without belief in soul belief? Param Pujya Dadashri has revealed all the mysteries of death as they are through his Jnana (Atmajnana). He scientifically explains the cycle of reincarnation, birth and death, the bond of karmas and also gives us the ultimate guru key to break the bonds of these karmas and attain liberation. When you understand the nature of the soul, all the riddles will be solved. First realize the soul then all the riddles will be solved. By unraveling all the mysteries of life and death one can attain a state free from birth and death. Such facts will be seen in this booklet and thus the reader will benefit in worldly and spiritual matters.