"Follow where this novel leads and you will be lost in a bewitching spell, a book of magic about books of magic . . . extraordinary." - MARLON JAMES"If, like me, you're a fan of Holly Black and Leigh Bardugo, pick up this book at once." -- KELLY LINK 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 base in Antarctica to escape the fate that killed her own mother, and Joanna's isolated herself in their fami