This book is part of the Oxford Reading Tree Fireflies series which offer a wide range of stimulating non-fiction titles for young children. It includes a variety of topics covering all areas of the curriculum, from science to citizenship. The books have a bright modern page design, and are illustrated with colour photographs. They are carefully graded across 10 levels and contain built-in progression and vocabulary repetition throughout. Books contain inside cover notes to support children in their reading. Help with childrens reading development is also available at www.oxfordowl.co.uk.