Volovich Vitaly Georgievich - famous polar explorer, participant in four Arctic expeditions, flagship doctor of High-Latitude Air Expeditions, participant in the world's first parachute jump to the North Pole (1949); military doctor - he was the first to examine Yuri Gagarin after returning from space, the founder of survival medicine in the USSR, the author of numerous books and diaries. This book is the second edition of the diaries of Vitaly Georgievich Volovich - a unique, legendary person, a scientist with a capital S, a doctor-researcher, a traveler , polar explorer, talented writer and poet, whose 100th anniversary is celebrated in 2023. The author of the book was a participant in four secret Arctic expeditions. In the book he talks about "North-4", "North-5", "North Pole - 2" and "North Pole - 3". Being a cheerful and witty person, Volovich writes about the everyday life of polar explorers vividly, brightly and easily. Through the prism of the biography of an outstanding doctor-researcher, scientist, founder of survival medicine and natural polar research, we turn to the heroic facts of the history of our Motherland, cosmonautics and aviation, and the achievements of scientific applied medicine. Using the example of V.G. Volovich, his contemporaries and followers, we show that courage, perseverance, genetically fixed experience of overcoming difficulties and the natural flexibility of the mind of the Russian man allow him to survive and achieve his goal in the most difficult, extreme conditions. "Nowhere else is the greatness of man, his courage, heroism, like in the North,” said the legendary Soviet polar explorer I.D. Papanin. The book will be of interest to anyone interested in the history of polar expeditions and research. The publishing layout of the book is saved in PDF A4 format.