The book of world-famous scientists, Kuban inventors spouses Kirlian V.H. and Kirlian S.D. presents the results of research on low-current gas discharge occurring from the surface of bodies of various electrical nature and geometry, including the human body. The developed design of devices and necessary conditions for gas discharge photographing are described. In its content and presentation, the book is aimed at a wide range of readers, in particular, interested in issues of scientific and applied photography.