Hop into a hot air balloon basket and see the world from above! Featuring photographs from a real balloon trip, Up in the Air explores how hot air balloons work and encourages readers to spot familiar places like towns, parks and rivers from a different perspective.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.