The AnaSwitch : Cloaker Chronicle One

Helanar Gatwick has no idea that she's living on the edge of two worlds.

Her father has just died and she thinks she is a human named Ann Hare - but one can hardly call oneself human if one's mother is an Elf and one's father a Cloaker...

When she finds an innocent-looking book and picks it up, she is whisked away to a strange, old mansion, where six creatures called Cloakers live.

But their smiles and pleas of innocence disguise the magic they are bent on working, a magic they call a cure, although the cure brings death.Helanar must join forces with Vincent Valerio, Jasper Cadelle, Misty Hailstone, Dade Tetwick, Natasha Zink and Hallimond Small - a band of dynamic heroes, all with their own secrets and talents - to find the AnaSwitch, which is is missing, and which will mean the end of Helanar, its heir, if it is not found.