Dive down into the ocean in a submarine. Journey into an underwater world and meet the creatures who live there, from the huge orca that swims near the surface, to the weird eel that lurks in the deep.Oxford Reading Tree inFact is a compelling non-fiction series that aims to engage children in reading for pleasure as powerfully as fiction does. The series includes 36 titles which are all phonically decodable, with some high-interest topic words to develop vocabulary and impart knowledge. The imaginative approach and variety of intriguing topics mean there are books to interest every child. The books are carefully levelled, making it easy to match every reader to the right book.