Cammie Sunbeam and her Pearlie friends are trying for their fourth pearl - and this time it's Sea Safety! Everyone has to learn about the dangers of the Deep, a strictly off-limits area of the ocean and home to reclusive sea dragons and deadly giant squids.

Cammie is excited about her fourth task as a member of the Pearlies - the waviest club in Rainbow Reef. She is studying for her Sea Safety pearl and learning about the dangers of the Deep. So when Cammie's little sister disappears, it's up to Cammie to rescue her...

Dive in with Cammie and her friends and collect every splash-tastic tale.