Pre-eminent photographer Norbert Wu travels to the ends of the earth to showcase an array of dive spots including reefs, wrecks, caves, and drifts. Here are schooling hammerheads and spawning corals, curious sea creatures and dense kelp forests, captured in breathtaking full colour photographs. Ken McAlpine's commentary outlines each locale's geography and choice dive sites, the best seasons to explore specific areas, and ideal times and places to...