This book is part of a book series called See How They Grow .

There are 20 pages in this book. This book was published 2007 by DK Publishing (Dorling Kindersley) .

Barry Watts is an award-winning natural history photographer. He has produced photography for the Eyewitness series and Stopwatch. He lives in North Wales. Angela Royston has written and edited many books for children about science and nature.