I have extremely mixed feelings about this book. When I first started reading it, I thought, Wow, how did I miss this one (it was published ten years ago)? Harris' basic premise, that faith in any religious tradition, be it Christian, Muslim, Judaism, or whatever, is something that we all need to get over, put behind us, and move on based on ideas of reason and reality, is a premise that I could really get behind. Religions can disagree (hence, the cause of most of the wars and conflicts in human history), but to question the basic idea of "faith" itself is something that has been off limits and that needs to change. So far, I'm with him. The book gets a bit bogged down at times due to the writing style and references. Then it turns into a philosophical treatise where Harris tries to come up with "a science of good and evil" (that's an actual chapter title). My days of reading Emmanuel Kant, and trying to make sense of him, are long behind me, thank goodness. And by the end, Harris almost starts to promote Buddhism. I don't have a huge problem with that; I believe that the "eastern" religions have a lot more to teach us than the "western" ones -- but, unfortunately, they're still religions. [In my younger, questing days, I became something of a follower of Taoism, because when I discovered it, a lot of it matched up with what I already believed/thought. I consider Taoism more of a "philosophy of life" than a religion, though there are sects in Taoism that have some crazy, religious ideas.] However, Harris encourages practicing "spirituality" and "mysticism" with a rational basis, which, frankly, I just don't get. By the end, in the epilogue and afterword (which apparently appeared first in the paperback version), Harris re-states his thesis in a clearer, more straightforward manner. My recommendation might be to read the first few chapters, skip the mumbo-jumbo philosophy in the middle, and read the ending.