Definately read some Tolkien. The Lord of the Rings are the best books ever written. I've read mine so much that I have had to purchase new copies recently because the older ones are falling to bits!
In between reading these (I'm always reading them) I have been looking at Terry Pratchet. Only on the 4th novel in the DiscWorld series but I like what I have read so far. Very similar to Douglas Adams (who you won't go wrong with either).
Finally, and I know these are branded as kids books, but, try 'His Dark Materials' trilogy by Philip Pullman. These books can be an easy read but have a lot more depth to them than most people will realise on the first read. I would say that you should give these a look.
Talking To God....
http://www.fullmoon.nu/articles/art.php?id=tal
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