Add sections to the bookbuilder: Excerpts from Letter to M.K. (1st Edition) (Ted Kaczynski)

 

With complex structures, e.g., a chapter with subsections, selecting only the chapter is likely to select only the chapter's title, so probably you want to select the chapter and all its subsections.

The text structure is shown below.

 
Section
Select
Title, author, date...
Excerpts from Letter to M.K. (1st Edition)
Source, notes...