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Keyplus, well done for ordering the books. However, you've made a mistake since only The God Delusion is written from an anti-religious perspective. The Dawkins Delusion, as I have already mentioned, is an attempt to denigrate Richard Dawkins, and I haven't read The Language of God, but I've googled it and it seems that rather than presenting an anti-religious viewpoint, it offers evidence for belief. I would therefore advise you to order the book that is the subject of this question too.
You appear to be determined not to believe a word you are about to read, but I would say that you are mistaken in assuming that you already know what books such as the God Delusion or God is not Great, will tell you. I can assure you, you do not. Few such books claim that because earthquakes happen, there is no God. Their authors are educated people who have researched their subject very thoroughly, and are far too intelligent to resort to presenting such mundane and inane arguments.
I look forward to hearing your thoughts, especially on the God Delusion, and also, hopefully, on God is not Great. I may even order The Language of God myself, just to see what the author has to say on the subject. At least then I'll know what you're talking about if you present any argument arising from it.