The book talks in great detail and at the same time very accessible about electricity and its use in energy and communications. Using 400 specially designed illustrations, the author talks about the history of the study of electricity, the established basic systems of direct and alternating current, and the important the role that electricity has played in the energy sector of our world. Rudolf Anatolyevich Svoren is the author of many popular books about physics and electronics, a famous scientific journalist, radio engineer and candidate of pedagogical sciences, who worked for many years in the editorial office of the journal “Science and Life” as deputy editor-in-chief.