Can anyone suggest a good book to start to explain different food groups, what different nutrients do for our body etc? DD is a great eater, really interested in growing veggies in the garden and has really only just started with the odd chocolate/ cake at kids parties. I'm not against chocs/ cakes/ sweets etc just keen for her to understand what a healthy body needs every day and why. I know I could explain this myself but she loves books and I think it would be a better way to get the message across.