The study of exoplanets is one of the most exciting areas of research in physics today, capturing the public’s imagination. How do exoplanets form? Where should we look for them? What can they teach us about life on earth and elsewhere in the universe? In this new book, one of the world's leading researchers on planet and star formation, explores all these questions and more. He shows how the birth of planets is inextricably linked to the formation of stars.