FYI, this is what's generally categorized as a fanbook or visual book, not an artbook, which means it's focused on production, rather than specifically on the art, and has lots of sketches, production notes, interviews, and so on. Artbooks, focusing in on the art itself, tend not to squish 8-10 images on a page (rarely having more than one) and don't have much text.
Most of these have ファンブック or ビジュアル in the title, so people know what they're getting, but this one doesn't.
FYI, this is what's generally categorized as a fanbook or visual book, not an artbook, which means it's focused on production, rather than specifically on the art, and has lots of sketches, production notes, interviews, and so on. Artbooks, focusing in on the art itself, tend not to squish 8-10 images on a page (rarely having more than one) and don't have much text.
Most of these have ファンブック or ビジュアル in the title, so people know what they're getting, but this one doesn't.