In this spellbinding debut novel, 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 Esther have been raised to revere and protect.

All magic comes with a price, though, and for years the sisters have been separated. Esther has fled to a remote...