Boris Fedorovich Porshnev (1905–1972), famous Soviet historian and sociologist, Doctor of Historical and Philosophical Sciences, founder of the Russian school of hominology (the science of “Bigfoot”). This book of his is one of a kind in its completeness and scientific thoroughness a study of the mysterious “Bigfoot”, which is being hunted to no avail by zoologists and lovers of the unknown on all continents of the Earth. The author examines the history of the emergence and development of the legend of the “Bigfoot” in our country and abroad - in China, the Himalayas, North America , provides an overview of human-hominoid encounters and draws conclusions about the nature of Bigfoot from existing data.