The elements that captivate my attention in a non-fiction book vary based on its genre. For example, a mystery book would engage readers if it includes an unresolved enigma, whereas an adventure narrative might attract readers if it draws on actual historical events or factual occurrences related to the story. Thus, when it comes to fiction, I can find interest in various elements depending on the book type.
Thomas Jefferson was simply informing the king of England that colonial America was no longer under British control.