Publisher (noun)

1. A person or company that produces and publishes books, magazines, or music.
2. An organization responsible for publishing, printing, or distributing media.

Origin:

Late middle english (in the sense "an act of publishing"): from old french publicateur, from latin publicare "make public", from publicus "public".

Examples:

1. The publisher of the book was a small, independent press.
2. The publisher rejected the author's latest novel.
3. The publisher released the book in hardcover and paperback versions.
4. The publisher brought out a new edition of the book.
5. The publisher sent the author on a book tour to promote the publication.