Geoff Tennent Gower, £47.50 Rating: 2/5 and George Eckes John Wiley, £21.50 Rating: 4/5

There is a natural, but lamentable, human tendency once we have done something well to tell other people how to do it. Down my street, when I was a kid, we used to call this “showing off”. Bob Lutz’s book Guts is saved from this tendency by the obvious enjoyment and gusto with which he writes.