The author of many popular books about physics and electronics, a well-known scientific journalist, radio engineer and candidate of pedagogical sciences Rudolf Anatolyevich Svoren, who worked for many years in the editorial office of the journal Science and Life, presents to readers his new work - a book about electricity. Using 400 specially designed illustrations, the author talks in it about the history of the study of electricity, about the existing basic DC and AC systems and about the important role that electricity has played in the energy sector of our world.