Set on a stranded icebreaker, it sees coast guard Sanna Tanner ... but we don’t know whether it’s human or not,” said Ylönen, who wrote alongside Nuutti Sihvonen and Tuuli Kanervankallio.

She doesn’t do events. Neighbors in Manchester, England, don’t know that she’s written two best sellers, “Icebreaker” and “Wildfire,” nor do they know that the unassuming 30-year-old ...