No. of pages 32
Published: 2006
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This book is part of a book series called What On Earth .
There are 32 pages in this book. This book was published 2006 by Salariya Book Company Ltd .
Kathryn Senior is a former biomedical research scientist who studied at Cambridge University for a degree and doctorate in microbiology. After four years in research she joined the world of publishing as an editor of children's science books. She has now been a full-time science writer for 8 years.
This book is in the following series: