"C.K. Williams’s richly nuanced account of the anxieties he associates with getting older was a great success as the Poetry Society’s Annual Lecture, making us laugh and cry – and think. For age may be a cultural but it is also a biological fact. So this issue also includes a triptych observing seasonal change in the natural world. Fleur Adcock and Richard Kerridge write about metamorphoses in the animal kingdom, while Ruth Padel offers a sneak preview of her forthcoming book about migration at every level, from the cellular to the societal..."