Petersburg. The protagonist, Erast Fandorin, a detective, investigates the crimes and discovers that they are connected to the development of new technologies and the struggle for power between different factions. The book highlights the dangers of unchecked technological progress and the importance of understanding the process of technological evolution in order to ensure the survival of humanity. It also emphasizes the need for a personal paradigm for perceiving the technological process of developing modern knowledge as the basis for the survival of humanity and the survival of the unification of people in a warring state. Here is a detailed description of the plot: Title: Опасное соседство (Dangerous Neighbors) Author: Boris Akunin Genre: Historical Detective Novel Setting: St. Petersburg, Early 20th Century Protagonist: Erast Fandorin, a detective Plot Summary: In the early 20th century, a series of mysterious murders takes place in St. Petersburg, and it's up to Erast Fandorin, a brilliant detective, to solve the case.

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