Favorite book you read in 2010?

Even if it wasn't published in 2010?

Absolute best book to read for Buddhism?

Barring the major and minor Buddhist sutras, the Pali canon, and/or the Dhammapada, because those are too easy and obvious, if you had to recommend a single book to someone, a single book to really convey what you think is most important for someone in 2010 to know about Buddhism, what would it be?  What book really reflects the heart of Buddhism in a way that can connect with and speak deeply to the reader?  (And why?)

Absolute best book to read for Christianity?

Barring the Bible or one of its constituent books, because that is too easy and obvious, if you had to recommend a single book to someone, a single book to really convey what you think is most important for someone in 2010 to know about Christianity, what would it be?  What book really reflects the heart of Christianity in a way that can connect with and speak deeply to the reader?  (And why?)