I have nothing against publishing a collage of blog posts into a book. But, you gotta be upfront about it, so that as a reader I make an informed choice on whether to buy and read it or not. I am not saying that blog posts are inferior to printed materials in anyway, they have their own structure, agenda and everything, more like a discussion initiator. From the description of the book, I got the impression that it was going to be a concise intro on spiritual and philosophic Jesuit thoughts, in the same way Jeyamohan had done it with 'Hindu Gnana Marabugal' book.
Rather, what do we have here is a hurried collection of his articles and a half a dozen responses he got from varied readers.
How the religion is well organised and as in any other religion, the rituals and rites became more important than the original principles advocated by the founder.