Add sections to the bookbuilder: History of a Six Weeks' Tour through a part of France, Switzerland, Germany, and Holland (Mary Shelley and Percy Bysshe Shelley)

 

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.
IV.
V.
Source, notes...