PB, as a parent and a volunteer at his local school, takes on the modern child’s startling alienation from nature. Some may remember the controversy a few years ago when OUP deleted from the Oxford Junior Dictionary words such as acorn, adder, ash, beech, bluebell, buttercup, catkin, conker, cowslip, cygnet, dandelion, fern, hazel, heather, heron, ivy, kingfisher, lark, mistletoe, nectar, newt, otter, pasture and willow…