mook; magazine-book hybrid
A publication that combines the visual style and layout of a magazine with the content depth or binding of a book. Often used for special-interest topics, catalogs, or collectible editions.
from English mook
このムックは写真が多くて読みやすい。
This mook has many photos and is easy to read.
旅行のムックを買っ
The publisher released the idol's photo collection as a mook.
I bought a travel mook and made plans.
For bound volumes — books, magazines, notebooks.
For copies of printed matter — documents, reports, magazines (資料を3部).
Borrowed from English 'mook', a blend of 'magazine' and 'book'. The term was adopted into Japanese to describe publications that merge magazine and book formats.