Little dolphin Sammy's secret By Lucy Daniels

Little Dolphin and his friends in Urchin Bay always have fun and adventures together, in their underwater world.

Milo's mum has lost her pearl necklace! Seeing her so upset, Milo and Little Dolphin promise to do their very best to find it. Soon they're hot on the trail of Sammy, the naughty sea-horse, who just might have the answer ...