The book includes letters, diaries and travel notes of Yulian Semenov, as well as memories of the writer’s friends and relatives. Carefully collected by his youngest daughter, they are not only valuable sources for understanding facts and events, but also knowledge of the artist’s inner world, his creative quests, life doubts. Difficult youth, dangerous business trips, confrontation with the bureaucratic system, family troubles - all this will allow the reader to better imagine the creative and personal life of the famous writer, the founder of the detective genre in our country, Yulian Semenov. Undoubtedly, the book will be received with interest by readers.