While investigating a brutal attack on Gregor, a seemingly single man, DS Joanna Harper discovers that her estranged daughter Ruby is somehow involved in this case that is steeped in Celtic mythology.

Fledgling Water Master Mari Prothero rebels against her expected arranged marriage at age eighteen until she learns that her family's magical heritage is actually protected by these unions.

"The acclaimed author of A Most Extraordinary Pursuit brings a dazzling voice and extraordinary plot twists to this captivating Scottish adventure... Scotland, 1906. A mysterious object discovered inside an ancient castle calls Maximilian Haywood, the new Duke of Olympia, and his fellow researcher Emmeline Truelove north to the remote Orkney Islands. No stranger to the study of anachronisms in archaeological digs, Haywood is nevertheless puzzled by...

Orphan Corinna disguises herself as a boy to pose as a Folk Keeper, one who keeps the Evil Folk at bay, and discovers her heritage as a seal maiden when she is taken to live with a wealthy family in their manor by the sea.

"Jane is incredibly plain. Everyone says so: her parents, the villagers, and her horrible cousin who kicks her out of her own house. Determined to get some semblance of independence, Jane prepares to propose to the princely Peter, who might just say yes to get away from his father. It's a good plan! Or it would've been, if he wasn't kidnapped by a mermaid. With her last shot at happiness lost in the deep blue sea, Jane must venture to the world underwater...