Kale leaves and Brussels sprouts are a group of nutrient-dense Cruciferous (brassica) vegetables. Some recent scientific researches conducted at the William Paterson University, New Jersey concluded that Cruciferous vegetables and dark leafy greens are the most nutrient-dense, plant-based foods available today. This small book of 100 pages explains in detail growing practices, health benefits, food preparations, and nutrient information of kale and brussels sprouts, along with that of celery, another nutrient-dense food.