I read it. I didn't have a good background of the case before I read it so a lot of it was new to me. I've read other reviews saying they were disappointed it didn't have anything new-new though.
Parts of it were confusing to me and I wished she'd included a better timeline of names, dates, and attacks, but then she didn't get to finish it.
It's very obvious which parts were complete before she died and which parts are put together from notes and although that's kind of jarring at times it's another interesting thing to see her process - the examples of how the fleshed-out and completed chapters had started with notes.
Overall it was a fascinating look into the case and the woman. I think most of us could identify with her obsessiveness, original interest in true crime, and envy the access she got to journalists and law enforcement surrounding EAR/ONS.