The Astral Library by Kate Quinn

Have you ever wished you could live inside a book?

Welcome to the Astral Library, where books are doors to new worlds.

Alix Watson knows one thing: unlike people, books will never let her down. Working dead-end jobs to make ends meet, she takes nightly refuge in the reading room at the Boston Public Library, dreaming of far-off lands.

Until she stumbles through a hidden door and is transported to The Astral Library, a place where the lost find sanctuary within their beloved stories.

But when a shadowy enemy threatens to destroy the library, Alix must flee from danger through the Regency drawing rooms of Jane Austen and the back alleys of Sherlock Holmes’ London as danger closes in …