B.B.’s novel “The Little Grey Men,” originally published in 1942, as it was the recipient of the Carnegie Medal that same year and was later adapted into a television series in 1975, is most likely to be his most popularly known amongst his many books. It recounts the story – as directly received from one with personal knowledge of it, as he tells it – of the last four gnomes in England who live inside an old oak tree beside Folly Brook in Warwickshire.