The general conclusion, that in poor societies without welfare people depend more on neighbours, is surely right but hardly remarkable. The author simplifies the complex subjects of suburban growth, town planning and redevelopment beyond recognition — and doesn’t seem to realise that up to the Seventies huge numbers of Londoners lived in terrace houses divided into bedsitters where neighbourly co-operation over bath-times was essential. (Evening Standard of the time used to have whole pages of advertisements for these lettings). She gallops without pause through thickets of 20th century social history: Homes for Heroes, the blitz, the blackout, spies, evacuation, then a few pages later we’re onto racism, traffic increase, birth control, hedge-heights and wife-swapping … Phew!