"The Folk Keeper" by Franny Billingsley is a young adult fantasy novel about a girl named Corinna who is a Folk Keeper, responsible for maintaining the balance between humans and the Folk, a group of supernatural beings who live in the sea. Corinna has a mysterious past and is haunted by her memories, but she is determined to do her duty and protect the people of her island. When a new Lord arrives and threatens to upset the delicate balance between humans and Folk, Corinna must use her skills and knowledge to save her home and the creatures she has come to love. Along the way, she discovers the truth about her own identity and learns to embrace her unique abilities.

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