It was written partly in response to a question from a barista at Paddington station about why he became a priest, and partly as a letter to a divided and uncertain country that no longer sees the relevance of Christianity.
The Archbishop has written a heartfelt and appealing apologetic. The question that it poses, however (as he freely admits), is whether this letter will reach those to whom it is addressed - which is arguably also the most pressing challenge for a socially distanced Church in its approach to England. We can only hope so, for the sake of both.
But it is very much a tome of our times, with multiple references to Brexit and the Covid pandemic, and how these events should make us rethink our attitudes.