"Destiny of Souls" is a book by Dr. Michael Newton that explores the concept of life between lives. It presents case studies from his work as a hypnotherapist, where clients recall their experiences in the spiritual realm after death. The book aims to provide insights into the purpose of life and the soul's journey. Through detailed accounts, Newton discusses themes such as reincarnation, soul groups, and the lessons souls learn in the afterlife. The work encourages readers to reflect on their own lives and the broader spiritual context of existence, offering a perspective on the continuity of the soul's journey.