The books That started it all for me was The Chronicles of Narnia, then it was the old time dragon lance, now I'm hooked on the forgotten Realms stuff I have around 80 books or so and counting. but I have to say the best book I have ever read was: How to win Friends and Influence People. By far the most useful book I have ever read granted this isn't the kind of book your probably looking for but its a must read for any one.
again How to win friends and in fluence people
by Dale carnegie
ISBN 0-671-72365-0
P.S David Bowie Rocks