What are all the books in the Lord of the Rings trilogy?
Although often called a trilogy, the work was intended by Tolkien to be one volume of a two-volume set along with The Silmarillion.[T 3] For economic reasons, The Lord of the Rings was published over the course of a year from 29 July 1954 to 20 October 1955 in three volumes titled The Fellowship of the Ring, The Two Towers, and The Return of the King. The work is divided internally into six books, two per volume, with several appendices of background material. Some later editions print the entire work in a single volume, following the author's original intent.
The Lord of the Rings trilogy is comprised of: The Fellowship of the Ring, The Two Towers and The Return of the King.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------
Although often called a trilogy, the work was intended by Tolkien to be one volume of a two-volume set along with The Silmarillion.[T 3] For economic reasons, The Lord of the Rings was published over the course of a year from 29 July 1954 to 20 October 1955 in three volumes titled The Fellowship of the Ring, The Two Towers, and The Return of the King. The work is divided internally into six books, two per volume, with several appendices of background material. Some later editions print the entire work in a single volume, following the author's original intent.
----------------
Answer the following query.
What are all the books in the Lord of the Rings trilogy?

user
The Lord of the Rings trilogy is comprised of: The Fellowship of the Ring, The Two Towers and The Return of the King.
assistant