“Hidden Colours Under the Sea” is a picture book that enables young readers to use colours to explore life in the sea. The book is illustrated only with underwater photographs taken by the authors during more than 20 years of exploring nature. In this book the young reader will see the colours of marine life through the eyes of a marine biologist with 30 years of diving, research and underwater photography experience. Explore the colours of the plants and animals of the sea, and see some of the exciting plants and animals that live beneath the waves.