How High We Go In the Dark by Sequoia Nagamatsu. A grieving archeologist arrives in the Arctic Circle to continue the work of his recently deceased daughter at the Batagaika crater, where researchers are studying long-buried secrets now revealed in melting permafrost, including the perfectly preserved remains of a girl who appears to have died of an ancient virus. Once unleashed, the Arctic Plague will reshape life on earth for generations to come, quickly traversing the globe, forcing humanity to devise a myriad of moving and inventive ways to embrace possibility in the face of tragedy. In a theme park designed for terminally ill children, a cynical employee falls in love with a mother desperate to hold on to her infected son. A heartbroken scientist searching for a cure finds a second chance at fatherhood when one of his test subjects - a pig - develops the capacity for human speech. A widowed painter and her teenaged granddaughter embark on a cosmic quest to locate a new home planet.