Prediction of the future by interpreting a passage chosen at random from a book.
Especially, religious books.
Although, the genres I read; I’d not have a happy future should I attempt any soothsaying via this method.
“Rupert took his bibliomancy to the next level when throwing a dart at his copy of War and Peace to see if he’d go out this weekend ”
“Bibliomancy is often practiced using religious text.”