"A book with all of life's answers, if only you can find it... 'Palpably seductive.' New York Times 'Extravagant, sexy and compelling. I loved it.' LAUREN BEUKES 'A marvellous, magical novel.' Irish Times There's two types of magic at play, here. There's what these characters are trying to do, mixing books and sex and spells, and then there's the magic Sara Gran is doing to us, as we compulsively read this literary thriller. And there's a third magic we only wish we could do: pay in blood to go back, read this book again for the first time. -- STEPHEN GRAHAM JONES, author of The Only Good Indian Rare book dealer Lily Albrecht has just been given a tip-off about The Book of the Most Precious Substance, a 17th century manual rumoured to be the most powerful occult book ever written, if it really exists at all. With some of the wealthiest people in the world willing to pay Lily a fortune to track it down, she embarks on a journey from New York to New Orleans to Munich to Paris. If she finds it, Lily stands to gain more than just money. This could erase the greatest tragedy of her life. But will Lily's quest help her find some answers, or will she lose everything in search of a ghost?