'A stunning fever dream of a story.' LEE CHILD

'Full of magic, wonder and heart.' ANITA FRANK

'A beautiful, unputdownable love letter to books.' BETH LEWIS

'A magical, mesmerising adventure from the very first page.' A. J. WEST

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Because some doors should never be opened.

New York bookseller Cassie Andrews is not sure what she's doing with her life. She lives quietly, sharing an apartment with her best friend, Izzy. Then a favourite customer gives her an old book. Full of strange writing and mysterious drawings, at the very front there is a handwritten message:

This is the Book of Doors. Hold it in your hand, and any door is every door.

Cassie is about to discover that the Book of Doors is a special book - a magic book. A book that bestows extraordinary abilities on whoever possesses it. And she is about to learn that there are other magic books out there that can also do wondrous - or dreadful and terrifying - things.

Because where there is magic there is power and there are those who will stop at nothing to possess it.

Suddenly Cassie and Izzy are confronted by violence and danger, and the only person who can help them is Drummond Fox who has a secret library of magical books hidden in the shadows for safekeeping, a man fleeing his own demons. Because there is a nameless evil out there that is hunting them all . . .

Because this book is worth killing for.

Addictive, brilliantly written and utterly irresistible, The Book of Doors is the spell-binding, mind-bending, heart-pounding new adventure that is perfect for fans of The Binding, The Midnight Library and A Discovery of Witches . . .

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'A clever and beautiful novel about the power of book.' SUNYI DEAN

'A real page-turner - incredibly ambitious and inventive.' ROSIE ANDREWS