Add sections to the bookbuilder: Letter from the Prisons of Fresnes and Villepinte in France (Bruno and Ivan)

 

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...
Letter from the Prisons of Fresnes and Villepinte in France
Source, notes...