Hardcover (noun)

A book bound in a sturdy, protective cover.

Origin:

Composed of "hard" meaning sturdy and "cover" meaning a protective layer.

Examples:

1. I prefer hardcover books because they last longer.
2. The library only loans out hardcover books.
3. The hardcover edition of this novel is selling out quickly.
4. She wrapped the hardcover book in brown paper before mailing it to her friend.
5. The hardcover of the book was damaged, but the pages were still readable.