Book excerpt: The Brassica genus contains diverse and economically important species and crops, for example, Brassica oleracea including cauliflower to kohlrabi, B.rapa including pak choi to mizuna, and aquatic crucifers such as watercress. These provide humankind with huge diversities of foods, promoting health and well-being. This substantially expanded second edition reflects the significant advances in knowledge of plant breeding and crop production which have occurred since publication of the original book in 2006. Embracing new Brassicaceae research and concepts of sustainable and automated crop production. An invaluable resource for all those involved in Brassica production, this is essential reading for researchers and students in horticulture and plant science, growers, producers, consultants and industry advisors.