Add sections to the bookbuilder: Blood sacrifice, the left and the 1916 insurrection in Ireland (Andrew Flood)

 

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.

 
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Blood sacrifice, the left and the 1916 insurrection in Ireland
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