Kate Mosse has been on the periphery of my literary radar for a while now. Hers were books that would show up on recommendation lists based on books I had like. They would appear at my friends’ houses, imposing yet reassuring with their bulk and sleek, simple cover art. I was vaguely aware that she wrote historical fiction, and that was it.
Citadel confronted me from the stack of just-returned books at the library one…