First of author, then a president, then a martyr, kind of.

Jonah, the main character, plan on writing a book about the day did what Hiroshima hit by the A-bomb, but not about the bomb itself: he wants anecdotes, stories That happened to people on That Particular day. To pursue this idea, he gets in touch with Newton Hoenikker (son of Felix Hoenikker, inventor of the A-Bomb) and many other characters related to Hoenikker's life. We did see his interest shifts slowly from the day the A-bomb hit Hiroshima to the Hoenikker family. This wild chase information leads him to to Iceland, where San Lorenzo, Frank Hoenikker (another son of Felix's) is one of the top dogs - his title Exactly, I can not remember.
Anyway, before dying, Felix had invented ice-nine, a chemical product able to "teach" water molecules to assemble Themselves in a different manner, the way oranges can be piled up in a different manner in a crate.
This tale, thus revolving around a religion thoroughly Explained - called Bokononism - gives us an apocalyptic view of ourselves, and takes to the extreme many things we take for granted. And still, for some reason, you just can not help laughing at the bitterness and harshness with Which this story is written.
This is without a doubt a must-read, and is one of the best books of all time ended. You will not be disappointed.