Three short plays by Christopher Durang first performed between 1975 and 1979. The featured plays are: The Nature and Purpose of the Universe, Death Comes to us all, Mary Agnes and 'dentity Crisis.
I actually didn't enjoy the first one at all, but would rank it highly for the second two. I've given a (very shortened) performance of Death Comes To Us All Mary Agnes and it was always fun, as well as providing me with a monologue to perform. 'Dentity Crisis is both hilarious and moving. You should be warned all plays deal with sensitive subjects and often use those subjects in a comedic manner, so there should be a trigger warning for sexual assault (the first one), suicide (the last two, played for laughs), child abuse, and other topics I can't remember.