Exciting new magical adventure series for girls - will you answer the call of Silver Dolphins?

Antonia is a secret Silver Dolphin - she's responsible for helping the creatures of the bay when their environment is threatened, by responding to the call of her magic necklace.

It's the start of the summer holidays and Jessica, Antonia's sister, is becoming increasingly obsessed about 'catching up' with her big sister. She covets Antonia's necklace and cannot resist the temptation of borrowing it' Antonia is distraught when she thinks it's lost for ever: how will she hear the distress call of her dolphins without it? But they are not the only ones in need of her help...

This is volume 4 in Silver Dolphins .

This book has been graded for interest at 7+ years.

There are 160 pages in this book. This book was published 2009 by HarperCollins Publishers .

Summer Waters is the pen name for Julie Sykes, a successful picture book author and a full-time mum, with more than two million copies sold of her character series. Before becoming an author she worked as a laboratory technician and then a teacher.