Add sections to the bookbuilder: Melawan Berhala Perwakilan: Perjuangan Kelas di Cina Melampaui Narasi Besar Kaum Kiri ()
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.