Add sections to the bookbuilder: Los Quijotes (Fifth Estate Collective, Quijotes del Ideal)

 

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...
Los Quijotes
Source, notes...