Oooh . . . a Vonnegut fan (assuming the ones in bold are the ones you
haven't read). He's maybe my favorite. I have signed copies of Breakfast of Champions and God Bless You Dr. Kevorkian.
You should
really track down a copy of Memoirs of an Invisible man. It's one of the best books I've ever read. It hooks you literally with the very first line of the very first page. Many people believe that the author, Harry F. Saint, is not pseudonym for someone who is known (and wants to remain known) for more literary fiction, like John Irving. This is mostly because nobody has ever seen him and he wrote a single masterpiece in the 80's and then just disappeared. Hasn't written a word. Nothing.
It's hard to believe that anybody could be talented enough to do
that on his first try, and then have no desire to ever write anything else again in his life. Granted he made $2.5 million dollars selling the movie rights (an unheard of sum for a 1st novel, btw) before the book was even on shelves. So . . . one might argue that although he is an excellent writer, he doesn't enjoy it, so since he can afford not to write he doesn't write. BTW, don't judge the book by the mediocre Chevy Chase movie

But whatever . . . point is, read the book. It's out of print, but not difficult to find for a few dollars.