In 1908, at 6.30 am, a planetary scale event known as the "Tunguska meteorite fall" occurred in the Tunguska taiga, and its local traces have survived to this day. Despite the best efforts of several generations of scientists of different specialties in many countries, there is still no complete and comprehensive explanation of this phenomenon. The collection reflects various approaches to explaining the nature of this phenomenon. It is intended for everyone who is interested in the problem of the Tunguska phenomenon.