Underwater Photography Masterclass by Dr. Alex Mustard is one of the world's most comprehensive and highly acclaimed guides to underwater photography. Written by an internationally renowned underwater photographer, marine biologist, and multiple Wildlife Photographer of the Year award winner, the book combines technical expertise with creative insight to help photographers capture stunning images beneath the surface. Covering both beginner and advanced techniques, Mustard explains essential topics such as camera selection, underwater housings, lenses, strobes, lighting, colour correction, composition, exposure, buoyancy control, macro photography, wide-angle photography, split-level images, black-water photography, and post-processing workflows. Drawing on decades of diving and photographic experience across oceans worldwide, the author shares practical advice for photographing coral reefs, sharks, whales, dolphins, sea turtles, nudibranchs, shipwrecks, caves, freshwater environments, and marine behaviour while emphasizing ethical wildlife photography and conservation. Featuring more than 500 spectacular full-colour photographs, behind-the-scenes diagrams, lighting setups, and professional tips, the book serves as both an inspirational portfolio and a complete instructional manual. Widely regarded as one of the definitive references on underwater photography, it is an indispensable resource for divers, marine photographers, wildlife enthusiasts, and anyone seeking to master photography beneath the waves.