Part of me doesn't want to be critical about things the book wasn't really going for. But at the same time it's a bit tough for me to not get annoyed at the incredible lack of emo history in a book that has "history" in its title.
For the positives, the interviews were great. It's awesome to get a collected response on some of the big names of the 90's and 00's on the initial growth of emo and the pop emo scene. The photos were a great addition. The section on mental health was great.
Unfortunately, for the most part the "history" read like it was a wikipedia entry with interviews in between. Largely, other than perhaps the section on the emocore beginnings of the genre, I cannot imagine anyone familiar with the early 00's emo scene reading this learning anything about the genre. Overall, the book glossed over the actual growth of the scene. For the 90's largely not talking about how the scene grew other than just explaining that basement shows and small concerts defined it. But mostly just talked about 90's bands like Jimmy Eat World, Sunny Day Real Estate, Saves the Day, and a few others saying they paved the way without particularly explaining how.
More egregiously, the band was extremely dismissive of skramz screamo bands instead only talking about scremo with bands that, while part of the "scene," are more associated with post-hardcore than emo (bands like alexisonfire and the like). There was 1 sentence where Pg. 99 was name dropped but it was immediately dismissed as more similar to grindcore.
Moreover, the "history" of the genre basically ended with 2006. While newer bands got name drops there was no recollection of the past 13 years of emo. Algernon Cadwallader, Empire Empire, etc. were coming up as bands at the same time the section was talking about emo being "dead." There were interviews that alluded to bands being alive in the time between 2007-2019, but no mention to the hows and whys. The book even talks about Emo Rap more than it talks about any of the modern emo bands.
Largely, my criticism comes down to the fact that the book really is not a history of emo music but largely a recollection of which emo-pop bands came to prominence in the early 00's. There is so much more to emo than the bands that played on MTV and Fuse and largely those bands were ignored.
Again, perhaps a lot of my criticism is my own fault for having expectations outside of the scope of the book. But anyone looking to get any more history that you can't get in wikipedia I recommend skipping it. If you're a big fan of the genre the interviews with emo-pop bands are really cool.