With marine biologist Dr Alexander Mustard as your guide you can learn all you need to know to explore the amazing creatures and landscapes that lie beneath the surface. From information about diving equipment and cameras, to crucial advice on understanding and controlling light underwater, this book provides all the background you need before you take the plunge. Topics covered include wide-angle light, macro lighting, ambient light and macro techniques. All this is illustrated, of course, with stunning images of the weird and wonderful animals and sights he has encountered beneath the waves.