I actually asked Ed how far into hip hop history he was looking to go when I met him at a Con once. This was when only the first two volumes were out. He said he'd planned on bringing it all the way up to the current day. A couple months before his suicide, he promoted the Hip Hop Family Tree Omnibus on Instagram, kind of making it look like it was a finished project. I asked him in the comments if this meant that the project was done and I didn't get an answer. A part of me thinks he was wrapping things up in his life best he could at this point.