What Should I Read for Copywriting?

We're going into a lightning round with mat lights, so are you ready? Ma socket to me. What's one book that you recommend every marketer or business person should read? I've been getting this question a lot lately and i man to just say the one that ive been recommending is a book called triggers by joe sugarman. And whenever somebody says, how, what should i read for copy ing? That's the one. It's like the one skill that works for literally every marketer.