- Where do peas come from? - Why do peas grow in pods? - Why are peas good for you? Each title in food takes a close look at an important food - what it is, where it comes from, and how it is produced, harvested and processed. The book are also explains why the food is good for you, how much of it you should eat and what food type it is. There is also a simple, healthy recipe for you to try!