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.A new girl, Emily, joins Sea Watch but Antonia instinctively feels wary of her. Emily's parents have just set up a tourist beach shop selling dried starfish, shells and sea urchins, and Antonia can't quell her suspicions that they have been raiding the bay for these spoils. But when a baby dolphin is caught in a net, Antonia discovers there's more to it than first appearances suggest...