This book is a great read.
Here is a brief power-synopsis of a Yogi/Guru's 28 year spiritual odyssey in the middle Eastern tradition!
"From Guru to God - The Experience of Ultimate Truth" by Michael Graham.

Of all the possible knowledge and facts in the entire universe, at a guess, what percentage do you claim to personally know?
Do you know perhaps 50% of everything that there is to know about everything?
Maybe less? Is it possible that in the percentage of information that you don't know that there is evidence for the existence of a Creator, a God of the Universe? If this is possible, would it make more sense to be an Agnostic than an Atheist?
http://faithofchoice.com/religions/atheism.html
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