Mermaid S.O.S. Series by Gillian Shields

Just as Misty and her friends start to make their way back to Coral Kingdom with the magic crystals for Queen Neptuna, a storm whipped up by the evil Mantora throws them right off course! Misty and her fellow Sisters of the Sea are lost, but they must find their way home as quickly as possible in order to complete their important mission. Misty comes up with a brilliant plan to help her mermaid friends, as well as saving a forest deep in the ocean from a terrible end.

Ellie and her friends are on their way back to Coral Kingdom with the magic crystals for Queen Neptuna, when a storm is whipped up by the evil Mantora which throws them right off course. Ellie and her fellow Sisters of the Sea are lost, but they must find their way home as quickly as possible in order to complete their important mission. Ellie must find a very special ingredient to add to her potion to help her mermaid friends, as well as saving a group of sea gulls from a sticky end.

Just as Sophie and her friends start to make their way back to Coral Kingdom with the magic crystals for Queen Neptuna, a storm whipped up by the evil Mantora, throws them right off course! Sophie and her fellow Sisters of the Sea are lost, but they must find their way home as quickly as possible in order to complete their important mission. This time Sophie leaps to the rescue to help her mermaid friends, as well as untangle a dolphin from a very knotty situation.

Just as Holly and her friends start to make their way back to Coral Kingdom with the magic crystals for Queen Neptuna, a storm whipped up by the evil Mantora, throws them right off course! Holly and her fellow Sisters of the Sea are lost, but they must find their way home as quickly as possible in order to complete their important mission. Holly must be very brave so she can help her mermaid friends, and save the turtles's home from danger.

Just as Scarlett and her friends start to make their way back to Coral Kingdom with the magic crystals for Queen Neptuna, a storm whipped up by the evil Mantora, throws them right off course! Scarlett and her fellow Sisters of the Sea are lost, but they must find their way home as quickly as possible in order to complete their important mission. Scarlett comes up with a plan to help her mermaid friends, as well as saving a family of seals's beach from a very messy end.

Lucy and her mermaid friends have returned successfully to Coral Kingdom with the magic crystals. But the evil Mantora is still close at hand, ready to throw another obstacle in their way. Will Lucy be able to overcome her shyness to ensure the mermaids' home is safe from the menacing Mantora for another year?