Miss Cassidy is no ordinary governess. She can tutor the most wayward child, tell stories in multiple languages and fix any household crisis. But she also deals with problems of a far more dark and dangerous kind.

Arriving in 1890s Singapore, this formidable, flame-haired Scotswoman soon finds herself (among other things) ridding a house of a bloodthirsty demon and raising a spirit from the dead. But when she is hired by the wealthy Chinese widower Mr Kay, whose family is suffering from a terrible curse, she must battle forces far more ancient and powerful than any she has encountered - not to mention the unexpected impulses of her own heart... An irresistible brew of magic, romance and mystery The Formidable Miss Cassidy invites you to embark on a thrilling supernatural adventure alongside an unforgettable heroine.