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