The "Police" category of books typically refers to stories that revolve around law enforcement officers and their work in solving crimes and maintaining order in society. These books may feature detectives, police officers, or other law enforcement professionals as main characters, and often involve investigations, interrogations, and other police procedures. The genre may include both fiction and non-fiction works, and can range from gritty crime thrillers to more lighthearted police procedurals. Overall, the "Police" category offers readers a glimpse into the world of law enforcement and the challenges faced by those who work to uphold the law.

The category of "Soviet Union" books encompasses literature that explores the history, politics, culture, and society of the former Soviet Union. These books may cover topics such as the rise and fall of communism, the Cold War, the Soviet economy, the lives of ordinary citizens, and the impact of Soviet policies on the world. They may also include memoirs, biographies, and fiction set in the Soviet Union or written by Soviet authors. Overall, the category of "Soviet Union" books provides a comprehensive look at one of the most significant and complex political systems of the 20th century.

If you're interested in downloading this list as a CSV file for use in a spreadsheet application, you can easily do so by clicking the button below. Please note that to ensure a manageable file size and faster download, the CSV will include details for only the first 500 books.