I love a good Venn diagram. This isn’t surprising; I’m a visual learner. Force me to read a book about the Battle of Waterloo and maybe I’ll remember some of it, but send me back in time with nothing but a musket, a warm coat, and a can-do attitude and you bet I’ll remember everything I see that day (if I live to tell the tale).
Anyway, literature is just chock full of overlapping themes and ideas. Knowing about them wouldn’t go amiss. And since we can’t send you back in time to fight about it, here’s the next-best thing.