he spreads with quotations in the book serve two purposes. Firstly, they replace chapter titles. There are 15 chapters in our book, which correspond to the geographical modules of the grid on the map. But these squares have no titles. We worked on the layout of the texts in the book and it appeared that there was another separate flow: when you don't read the book, but just look through it. And then you can't jump into the longer texts, but you can take a glance at a spread with a large quotation on it.
And one more (Source)
Such spreads contain an interesting quote from the chapter, its number, and a list of settlements or geographical features that are in that chapter (there are 15 of these in total):
Warning, there is a typo in the text. More on this below