What was Charles Dickens best-seller?

While it's difficult to definitively say which of Dickens's works was his absolute best-seller, A Christmas Carol is widely considered to be his most popular and enduring work.

Here's why:

* Immense Popularity: It's been adapted countless times for stage, screen, and other media.

* Cultural Impact: The story has become synonymous with Christmas, influencing traditions and impacting our understanding of the holiday.

* Enduring Appeal: It continues to be read and enjoyed by people of all ages.

However, it's worth noting that Dickens had other incredibly successful novels like Oliver Twist, Great Expectations, and A Tale of Two Cities, which also sold incredibly well in his time.