This book is part of the TreeTops Non-Fiction series which are full of fascinating facts and have been produced with stunning artwork and photography in a lively and modern design sure to attract all young readers. Books contain inside cover notes to support children in their reading. Help with childrens reading development also available at www.oxfordowl.co.uk. This book is also available as part of a mixed pack of 6 different books or a class pack of 36 books of the same Oxford Reading Tree level.

 

This book is part of a book series called Oxford Reading Tree .

. This book is part of a reading scheme, meaning that it is a book aimed at children who are learning to read.

There are 24 pages in this book. This book was published 2007 by Oxford University Press .

Mary and John Gribbin are well-known popular science authors who write for both adults and children. Children's titles include Time and Space (DK), What's the Big Idea? Time and the Universe (Hodder) Smelly Science (OUP) and the very recent The Science of Philip Pullman's His Dark Materials (Hodder).