Refers to a book, magazine issue, or other publication that has recently come out; commonly used in bookstores, publishing, and reviews.
I reserved the new book by my favorite author.
駅前の本屋に新刊がたくさん並んでいる。
Many new publications are lined up at the bookstore in front of the station.
Her new book is scheduled to come out next month.
I bought a new release that caught my eye at the bookstore.
I pre-ordered the new release before it went on sale.