The book covers saving seeds from: beetroot, spinach, beet, chard, broad bean, carrot, celery, celeriac, cucumber, french bean, leafy brassicas, leek, melon, lettuce, onion, parsnip, pea, pepper, chilli, radish, runner bean, spinach, squash (marrows, pumpinks and courgettes), tomato, turnip and swede.
Each bit tells a veg has a small section on growing, and then focuses on selection and saving and drying seeds. Each one also has a couple of heritage vegetables with a description mentioned.