Add sections to the bookbuilder: '강령'에 대한 러시아 아나키스트들의 답변 (리아, 몰리 슈타이머, 로만 에르반티안, 슈바르츠, 세냐 플레신, 소볼, 볼린)


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.

Title, author, date...