Take a photo of a barcode or cover
Yes, I know it's a classic and everyone talks about how layered and fabulous it is. But I'm just going to be honest and say I feel like I just had a conversation with someone who was really stoned and thought they were really brilliant but in actuality were doing a lot of yammering on about bowel movements, being horny, and drinking beer. Not to be a fuddy-duddy but at this point I'm really jazzed about reading a book with an actual plot.