The idea was to try to cover some of his range, which isn't trivial given how many styles he can write in.
My favorite is the Secret Miracle, though. The idea of finishing your masterpiece in abstract of the fame, recognition, even impact is beautiful.
Here’s the ones we read and discussed:
Man on Pink Corner
The Secret Miracle
The lottery of Babylon
Three Versions of Judas
Deutsches Requiem
On Exactitude in Science
In Memoriam, JFK
The Zahir