My favourites are:
Shantaram (Gregory David Roberts)
Cloud Atlas (David Mitchell)
Life of Pi (Yann Martel)
The Time Traveller's Wife (Audrey Niffenegger)
Neither Here Nor There (Bill Bryson)
And books by Max Lucado, I find them very encouraging.
At the moment I'm reading Reaching For The Invisible God by Philip Yancey, it's very good so far.