Add sections to the bookbuilder: Straight from the Underground (Nsambu Za Suekama)

 

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...
Straight from the Underground
Source, notes...