Add sections to the bookbuilder: นิเวศวิทยาสังคม (Social Ecology) กับเมอร์เรย์ บุคชิน (Murray Bookchin) ()
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.