"Two estranged half-sisters tasked with guarding their family's library of magical books must work together to unravel a deadly secret at the heart of their collection--a tale of familial loyalty and betrayal, and the pursuit of magic and power"-- For generations the Kalotay family has guarded a collection of ancient and rare books. Books that let a person walk through walls or manipulate the elements-- books of magic that half-sisters Joanna and...