Choose from many tasty heritage varieties (from Amish Paste and Big Red, Black Russian, Colossal Yellow and Peruvian Currant, to Roma, Tiny Tim, Grosse Lisse, Oxheart and Purple Calabash), and grow them from seed or grafts, in non-dig gardens or pots, or by using hydroponics.

Allen provides lots of tips in separate sections on growing, general care (fertilisers, composts and mulches, watering, warmth and protection) and on preventing problems, diseases and pests.