For too long, Opaline, Martha and Henry have been the side characters in their own lives. But when a vanishing bookshop casts its spell, these three unsuspecting strangers will discover that their own stories are every bit as extraordinary as the ones found in the pages of their beloved books. And by unlocking the secrets of the shelves, they find themselves transported to a world of wonder…where nothing is as it seems.

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

Years ago, Flora fled the quiet Scottish island where she grew up - and she hasn't looked back. What would have done on Mure? It's a place where everyone has known her all her life, where no one will let her forget the past. In bright, bustling London, she can be anonymous, ambitious...and hopelessly in love with her boss. But when fate brings Flora back to the island, she's suddenly swept once more into life with her brothers - all strapping, loud, and seemingly incapable of basic housework - and her father.

All her life, Zofia has found comfort in two things during times of hardship: books and her best friend, Janina. But no one could have imagined the horrors of the Nazi occupation in Warsaw. As the bombs rain down and Hitler’s forces loot and destroy the city, Zofia finds that now books are also in need of saving. With the death count rising and persecution intensifying, Zofia jumps to action to save her friend and salvage whatever books she can from the wreckage, hiding them away, and even starting a clandestine book club.

Rare-book dealer Ashlyn Greer’s affinity for books extends beyond the intoxicating scent of old paper, ink, and leather. She can feel the echoes of the books’ previous owners—an emotional fingerprint only she can read. When Ashlyn discovers a pair of beautifully bound volumes that appear to have never been published, her gift quickly becomes an obsession. Not only is each inscribed with a startling incrimination, but the authors, Hemi and Belle, tell conflicting sides of a tragic romance.