Author - Professor, Honored Scientist of the Russian Federation, has been working in reindeer husbandry for about 40 years, of which more than 20 years he has been the head of the reindeer husbandry department of the Research Institute of the Far North SB RAAS. Over the years, he conducted research and visited scientific trips in all the main reindeer herding regions of our country and abroad. The book sets out observations and impressions of the work of reindeer herders. For each region, the breed characteristics of deer are given, the traditional system of their keeping and grazing is described in detail, ethnic features of the use of reindeer are given. The author introduces the original ecological calendars of reindeer herding peoples, talks about their home, clothes and cuisine. A mosaic of interesting materials from the life of individual peoples and ethnic groups is given. Affects the author and issues of worldview among the natives of the North. Biographies of individual reindeer herders are given.