Add sections to the bookbuilder: A box of ashes, the state and the next Cuban revolution (Marcelo Salinas)

 

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...
I
II
III
Source, notes...