Dive down and discover the secrets of the seven seas to reveal the hidden secrets of the briny deep. This book is full of colourful scenes with information on different underwater habitats from coral reefs to arctic ice flows to the dark deeps of the ocean trenches as well as fantastic facts on tsunamis, tides and flooding. It contains informative features on how humans are affecting the oceans with overfishing, pollution and global warming. It contains over fifty sturdy embedded flaps. n