Where Is the Great Barrier Reef Author:Nico Medina In this Where Is? title, kids can explore the Great Barrier Reef?big enough to be seen from space but made up of billions of tiny living organisms. — The Great Barrier Reef, off the coast of Australia, is the world's largest coral reef system. Stretching more than 1,400 miles, it provides a home to a wide diversity of creatures. Designated a Worl... more »d Heritage Site, the reef is suffering from the effects of climate change but this fascinating book shows this spectacular part of our planet.