The call on Christians to engage with culture has been growing in recent years. This can be seen in conferences that are being run, and books being written. As Crouch acknowledges in his introduction, this book stands within the tradition of Abraham Kuyper's call to Christian cultural responsibility. It is divided into three parts: Culture, Gospel and Calling.
This is a very helpful and thought provoking book, but I do think it gets weaker as it goes on. The first section is the most helpful as it critiques common assumptions about culture, and will most likely get you thinking differently about the subject. The middle section is important, because theology is always important, but if you do not accept some of the premises its helpfulness is limited. And then the third section - about how to actually apply all that has gone before - is the flimsiest.
So, in some ways Crouch falls into the same trap as the worldview advocates he criticizes - lots of good analysis, but a lack of clear application.
That is not meant to be a carping comment, and indeed, I would be suspicious of someone setting out a '10 point plan of action' in a book like this. The whole point is to point us towards the kinds of things we can do rather than be prescriptive about what we should do, so perhaps any expectation of clearer application is unfair.
My conclusion then? Definitely read the first 98 pages, but see the rest as an optional extra.