The crowd-ranked version of the Top 25 Best Science Fiction Books (http://bestsciencefictionbooks.com/top-25-best-science-fiction-books.php).
This list gives a breakdown of the best science fiction r...
This book is basically a comment on the insanity of war. And it communicates this through the insanity of the story, which jumps from time period to time period, and the character has either been abducted by aliens or more likely has gone insane.
There is a forward by Vonnegut and an interview at the end of the audiobook version I listened too, which really helped to understand his mindset when he wrote the book.
Only Vonnegut could take time-travel, alien abduction and the fire bombing of Dresden in WWII and make it work. And he does so brilliantly.