<p>When a strange new visitor arrives in a floating city in the Arctic--humanity's last hope after the ravages of climate change--the city is entranced. She's riding an orca and has a polar bear at her beck and call. She's called "the orcamancer," and she very subtly unites four desperate people to stage unprecedented acts of resistance. By banding together, they will learn shocking truths about themselves--and save their city before it crumbles under the weight of its own decay. </p>
