Double Danger (Silver Dolphins, Book 4)

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 ...