If you're looking for a good introductory book to some of the buddhist/taoist/zen concepts touched upon in this article, I highly recommend Alan Watts' books.
It's a collection of lectures that he gave over a decade or so, in the 60s. It introduces most of the really important concepts of eastern philosophy.
This book provides a nice follow-up to the previous one, with a much more complete, detailed, academic view of the topics, which helps gain a better understanding of it all:
Here's one that I've particularly enjoyed:
http://www.amazon.co.uk/Eastern-Wisdom-Modern-Life-Collected...
It's a collection of lectures that he gave over a decade or so, in the 60s. It introduces most of the really important concepts of eastern philosophy.
This book provides a nice follow-up to the previous one, with a much more complete, detailed, academic view of the topics, which helps gain a better understanding of it all:
http://www.amazon.co.uk/Way-Zen-Vintage-Spiritual-Classics/d...