Ah books...
Fiction
Altered Carbon (sci fi noir - best sci fi book i've ever read)
http://www.amazon.com/gp/product/034545 ... e&n=283155
Life of Pi (fabulous book - literally)
http://www.amazon.com/gp/product/015602 ... e&n=283155
Non-fiction
Rubicon - the best history book I've ever read - about the death throes of the Roman Republic
http://www.amazon.com/gp/product/140007 ... e&n=283155
The Reckoning - about the shady Elizabethan underworld and assassination of Christopher Marlowe
http://www.amazon.com/gp/product/022658 ... e&n=283155
Into Thin Air - John Krakauer's classic book about life in the death zone on Everest
http://www.amazon.com/gp/product/038549 ... e&n=283155
But most importantly are 'necessary books' - those written about what it is to be human:
Possible the most moving books ever .
Primo Levi - If this is a Man/The Truce (also separately published in the US as the rather more prosaically entiled 'Survival in Auschwitz' and 'The Re-Awakening')
http://www.amazon.com/gp/product/034910 ... e&n=283155
and his more allegorical book 'The periodic table'.
http://www.amazon.com/gp/product/080521 ... e&n=283155
Jared Diamond
Guns Germs and Steel - a history of human societies over the last 10,000 years
http://www.amazon.com/gp/product/039331 ... e&n=283155
and his classic work - Rise and Fall of the Third Chimpanzee
http://www.amazon.com/gp/product/009991 ... e&n=283155
All the above are 4 or 5 stars on Amazon - not that that makes them good books in themselves, but it does show that a lot of people like them.