A few weeks ago, in the memoirs of Cormac Murphy-O’Connor, we left Anthony Kenny and the author in a lightning storm on a mountainside, with a terrified guide begging them to throw away their ice axes lest they all be fatally struck.  Providence, or nature, spared them to become Cardinal Archbishop of Westminster and Master of Balliol, respectively.Echoing A History of the World in 100 Objects, Sir Anthony, now 84, presents “a coherent, if highly selective, history of Christian thought” through 50 book reviews published in the past 50 years, several from The Tablet. If a flood once more covered the Earth, and Christianity in Review was found bobbing on the waters, it would be a rum history of Christianity to be sure that was reconstructed from it, but the process wo