The book of Leonid Elenin immerses the reader in the thousand-year path of mankind in the knowledge of the most mysterious and beautiful objects of the solar system - comets. You will witness a fascinating story of solving the mystery of the heavenly wanderers: you will go from the terrible signs of the gods to the exploration of comets by spacecraft, which revealed to us their true nature. The stories of the most famous comet hunters will be revealed before you, you will find out how they are discovered these days, and maybe you yourself will try to find one of their shaggy wanderers! We will also discuss the role of comets in the origin of life on Earth and answer the question: can they now pose a threat to our planet?