Island of the aunts
by Eva Ibbotson

Popularity 22
As they get older, three sisters decide that they must kidnap children and bring them to their secluded island home to help with the work of caring for an assortment of unusual sea creatures.
KidnappingAuntsFictionMarine animalsIslandsAnimals, MythicalMythical AnimalsChildren's fictionAnimals, mythical, fictionKidnapping, fictionMarine animals, fictionIslands, fiction