The case against buying new is usually made with a wagging finger. Anna Kilpatrick makes it differently, as an invitation rather than a reprimand, which is why Not Needing New reads as a practical guide instead of a penance.
Her subject is the whole apparatus of consumption at home: clothes, furnishings, holidays, the things acquired for children who outgrow them in a season. The argument is that a second-hand life is not a diminished one but a better designed one, with more style in it and less noise. Sitting across our wellbeing, home and personal development shelves, it belongs as much to the literature of contentment as to the literature of sustainability.