The book "Entertaining Quantum Physics" by the famous Soviet physicist Matvey Bronstein will acquaint the reader with the world of tiny particles invisible to the simple eye - atoms and electrons. And also tells about scientists: Wilhelm Roentgen, Henri Becquerel, Pierre and Marie Curie and many others who discovered and studied the nature of radiation. How did Dmitry Mendeleev predict the properties of elements that have not yet been discovered? Why did you use radium before? What are alpha particles? Why do geologists find strange halos on some minerals? The reader learns about all this from the book.