Maybe I am not your target customer.
I prefer physical books, which have turnable pages, which sometimes turn to a new chapter.
Infinite scroll reminds me too much of social media apps, tiktok etc.
Chapters make longer reading more manageable, and to me, more rewarding.
Very bonus points: you could mimic a page turn, or new chapter animation.
Yes, similar readings, books people in your WOT read etc would be useful.
I don’t know that this belongs at the end of a book, or chapter, or where it belongs.
Discover books seems like a big enough thing for it’s own product page, or a stand alone product.