A Certain Scientific Railgun: Astral Buddy Vol. 3 Kamachi Kazuma (Paperback) is a graphic novel in the Manga genre, published by Seven Seas Entertainment in Canada. It is the third issue in the series and features partial color. The story title is "A Certain Scientific Railgun Astral Buddy" and the series title is "A Certain Scientific Railgun: Astral Buddy". The language is English and it is a first printing. The unit of sale is a single unit and it is a trade paperback format.