Which novel is not written by Charles Dickens?

A Farewell to Arms :
- A Farewell to Arms is a novel by American writer Ernest Hemingway,
- The plot is set during the Italian campaign of World War I. First published in 1929, it is a first-person account of an American, Frederic Henry, serving as a lieutenant in the ambulance corps of the Italian Army.
- The title is taken from a poem by the 16th-century English dramatist George Peele.

On the other hand:
- A Christmas Carol
- The Pickwick Papers
- David Copperfield
These Three novels are written by Charles Dickens.

Charles Dickens:
Charles Dickens, in full Charles John Huffam Dickens, (born February 7, 1812, Portsmouth, Hampshire, England—died June 9, 1870, Gad’s Hill, near Chatham, Kent), English novelist, generally considered the greatest of the Victorian era. His many
volumes include such works as
- A Christmas Carol,
- David Copperfield,
- Bleak House,
- A Tale of Two Cities,
- Great Expectations, and
- Our Mutual Friend.
Dickens enjoyed a wider popularity during his lifetime than had any previous author.
Source: Britannica.com