"Second Clairvoyance: A Study of Natural and Induced Clairvoyance" is an important work by the famous astrologer and mystic Sepharial. In this book, the author examines the phenomenon of clairvoyance in detail, as a phenomenon that is connected with nature and can be induced through special practices. Sephariyal reveals to the reader a variety of methods and techniques by which one can develop one's ability to clairvoyance. He explains the natural abilities that are responsible for discovering the mysterious sides of the world, and offers exercises and recommendations for those who seek to develop this ability in themselves. Whether clairvoyance is a gift, whether it can be learned, how it is affected by visual and mental influences - these and other questions are considered in the book "Second Clairvoyance". This book will be a useful source of knowledge for anyone interested in and seeking to understand the supernatural as part of their spiritual practice.