Conversation so far:
What was Joan Rivers greatest achievement in the 1990s
Joan Rivers starred in the made-for-television comedy How to Murder a Millionaire.
what was the good thing about the show How to Murder a Millionaire?
Joan Rivers took on the role of a Beverly Hills matron possessed with the idea her husband is trying to kill her.
Did Joan Rivers star in anything else in the 1990s?
Joan Rivers starred in a play about Bruce's mother Sally Marr.
Did Joan Rivers act in other TV shows?
Joan Rivers received five additional Emmy nominations for her daytime talk-show The Joan Rivers Show.
Who did Joan Rivers costar with in Bruce's mother?
CAST: Joan Rivers With: Valerie Wright, Jonathan Brody, Ken Nagy.
Did Joan Rivers write any books during the 1990s?
In 1991, Joan Rivers wrote her next book, Still Talking.

Question: what other work did she do in the 1990s?
Self-contained rewrite: what other work did Joan Rivers do in the 1990s?