"A Defense of Modern Spiritualism" is an outstanding work of the famous scientist and researcher Alfred Russell Wallace, which was published back in the 19th century. In the book, the author defends the idea of the existence of the spiritual world and spiritual phenomena that cannot be explained by conventional scientific methods. He invites readers to immerse themselves in the world of spirituality, revealing to them the secrets of phenomena that occur beyond ordinary perception. This book will be of interest to those interested in paranormal phenomena and the spiritual development of man.