Echoes and Empires by Morgan Rhodes

Josslyn Drake knows only three things about magic: it’s rare, illegal, and always deadly. So when she’s caught up in a robbery gone wrong at the Queen’s Gala and infected by a dangerous piece of magic—one that allows her to step into the memories of an infamously evil warlock—she finds herself living her worst nightmare. Joss needs the magic removed before it corrupts her soul and kills her. But in Ironport, the cost of doing magic is death, and seeking help might mean scheduling her own execution. There’s nobody she can trust.

Nobody, that is, except wanted criminal Jericho Nox, who offers her a deal: his help extracting the magic in exchange for the magic itself… Read more.