Bridget Bezanson

The Secret World of Og is a children's adventure about 4 children who venture into an underground cavern beneath their playhouse to look for their lost baby brother. There, they discover a land of little green people who are enamored by the world above but won't allow anyone to leave their cavern for fear they might "tell".

It tells the story of the life of Captain James Cook, the greatest explorer in history who traveled to Australia and New Zealand. His three voyages took the frontiers of the British Empire to the ends of the Earth.