Sword And Pen by Rachel Caine

In the thrilling conclusion to the Great Library series, the world teeters on the brink of chaos as the Great Library of Alexandria faces its greatest threat yet. With the Archivist Magister's tyrannical rule crumbling, Jess Brightwell and his band of rebels must navigate treacherous alliances and deadly betrayals to protect the knowledge that could save or doom humanity. As the stakes rise, friendships are tested, and sacrifices become inevitable, the fight for freedom and the preservation of knowledge culminates in a gripping battle that will determine the fate of the Library and the world.

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