"Hip-hop (and other things) is about, as it were, rap, but also some other things. It spends the entirety of its time celebrating what has become the most dominant form of music these past two and a half decades. Tupac is in there. Jay Z is in there. Missy Elliott is in there. Drake is in there. Pretty much all of the big names are in there, as are a bunch of the smaller names, too. There's art from illustrator Arturo Torres, there are infographics...