What dickens novel is a copper mentioned?

The copper you're likely thinking of is a slang term for a police officer in Victorian England.

There are many Dickens novels where police officers are prominent characters, but the most famous one is likely "Oliver Twist" (1838).

Here's why:

* Mr. Brownlow: A wealthy gentleman who employs a "thief-taker" to help him find Oliver Twist.

* The Artful Dodger: A young pickpocket who is part of Fagin's gang of thieves.

* The Police: A recurring force in the novel, often in pursuit of Oliver and the other characters.

Other Dickens novels that feature police officers include:

* "Bleak House" (1853): Features Inspector Bucket, a renowned detective.

* "A Tale of Two Cities" (1859): Contains scenes with French police and the revolutionaries.

* "Great Expectations" (1861): Features a brief interaction with a policeman.

Let me know if you have any other questions!