Trent: The Sunless Country (Trent #6)

Beyond the Arctic Circle, in the freezing cold and never-ending night, the Mounties do their duty and try to resist the creeping assaults of madness and depression. One evening,Trent, alone at his remote outpost, hears a call for help. He finds a couple of Natives, dead of exposure, along with... a very much alive baby! Reluctantly turned into a polar nurse, the sergeant must leave his shelter – unequipped to cater to its new occupant – to find her a new family...