The spirit Andre Luiz continues his studies in the spirit world. This time he unveils the secrets of reincarnation, showing the task of the high order spirits in charge of the rebirth process. The spirit author affirms that the death of the physical body is not the end. He also stresses the importance of self-effort in the self-improvement process. In twenty chapters, he talks about his apprenticeship in the spirit world, the process of reincarnation and the different aspects of mediumistic manifestations.