London-based health food expert Natalie Savona is the resident nutritionist for Cosmopolitan Magazine (UK) and has written six books, including Wonderfoods," "which is perfect for people looking for a holistic approach to healthy eating. Part cookbook, part nutrition guide," "Wonderfoods describes 70 nutrient-rich ingredients that promote well-being. The book's organization encourages you to find a food to give your body what it needs. There are foods to boost your energy; aid your digestion; detox your body and more.