When the subject of a sentence is title book do you use singular verb?

Yes, when the subject of a sentence is a book title, you use a singular verb. This is because the book title is treated as a single, unified entity, even if it contains multiple words.

Here are some examples:

* "The Lord of the Rings" is a classic fantasy novel. ("Is" is singular)

* "Pride and Prejudice" explores themes of love, marriage, and societal expectations. ("Explores" is singular)

* "The Great Gatsby" was written by F. Scott Fitzgerald. ("Was" is singular)

However, there are a few exceptions:

* If the book title refers to multiple items, you use a plural verb. For example: "The Adventures of Sherlock Holmes are exciting stories."

* If the title is followed by a phrase like "are many things," you use a plural verb. For example: "The Hunger Games are many things: action-packed, thought-provoking, and controversial."

In general, though, treat book titles as singular subjects and use singular verbs.