specially bound edition; special edition (book)
Refers to a book or publication with a special binding or cover, often a deluxe or collector's edition.
The specially bound edition of this novel is leather-bound and very expensive.
edition with bonus items; special edition (manga, etc.)
Commonly used for manga, light novels, or similar media where the edition includes extras like a booklet, toy, CD, or other physical goods.
The special edition comes with a limited-edition figure.