Karen Patkau takes readers on an amazing voyage of discovery to find out • How coral reefs form • Why coral reefs bustle and teem with life • Why there are more kinds of living things on coral reefs than anywhere else in the sea • What the types of hard corals are • Which plants and animals attach themselves to coral reefs • How coral reefs protect shorelines • How coral reefs help develop natural harbors and beaches • Where the coral reef areas of the world are • Why we need coral reefs