will you guys redo the chapters 4-7 as well?
Yes, but it's currently on the backburner as we finish clearing up what was left behind when Mike passed. See
my comment here for a more complete explanation.
Mike, Chris & I are all involved in other groups. So myself, but Chris especially, are shuffling people around, or picking up ourselves to finish existing projects. Not to say that redoing 4-7 isn't important, but the priority is keeping up to date with rolling series and finishing series that we're already behind on.
Once we've got everything sorted out we're definitely going to get to it.