Conversation so far:
When did Kenneth Anger return to making films?
In 2000, at the dawn of the new millennium, Kenneth Anger began screening a new short film, the anti-smoking Don't Smoke That Cigarette.
Was Don't Smoke That Cigarette well recieved?
what did Kenneth Anger do after Don't Smoke That Cigarette?
In 2009 Kenneth Anger's work was featured in a retrospective exhibition at the MoMA PS1 in New York City, and the following year a similar exhibition took place in London.
After the retrospective exhibitions in New York City and London what did Kenneth Anger do?
Kenneth Anger finished writing Hollywood Babylon III, but has not yet published it, fearing severe legal repercussions if he did so.

Question: What was his next work?
Self-contained rewrite: What was Kenneth Anger's next work after writing Hollywood Bablyon III?