I watched an interview with Chris Packham in Edinburgh, promoting his book, after I’d read almost 400 pages of his memoir. He’s around the same age as me, but looks at least ten years younger. Most of us know him from the telly. For example, Springwatch with around four million viewers. Packham is erudite about birds and biology and you know you’re listening to an expert. I read lots of books. But, at first, I couldn’t really find a way into...