Each arc is referred to as a "book", and has its own plot line.

Each 13-week arc of the story was referred to as a "book".

Joshua Sharf of Blogcritics referred to it as "a book that shows what can happen when smart people spend time thinking about social trends".

Ben-Ari referred to it as a "despicable book" that should be "in the dustbin of history".

Orwell refers to it as a "book" in part three of the essay.

The prosecutor referred to it as a "sodomitical" book.

Roy Hattersley later referred to Glimmers of Twilight as a "book of tall tales".

Various sources refer to it as a magazine, a journal, or even a book published in 41 volumes.

In the U.S., more commonly referred to as a comic book.