Sisters of the Midnight Sun by Fiona Valpy

Shetland, 2001: Ruby Reid is running from a decision she doesn’t want to make. Finding herself on a remote croft caring for a mysterious old woman she discovers that Hanna has her own reasons for hiding from the world. And slowly, she reveals her story to Ruby...

Norway, 1940: Hanna Kristiansen’s world is overturned when Norway falls into the hands of Germany.
She’s determined to keep her twin sister, safe. but the war may take everything from her.

In 2001, Hanna is remains haunted by the numbers that mark her arm. The numbers that signify where one life ended and another began.

As the two women bond through their shared loss, they learn to find strength in fragility and discover a new hope in the most unlikely of places.