Sun Storm by Asa Larsson

Asa Larsson, winner of Sweden's Best First Crime Novel, has written a spell-binding mystery set in the Lapland village of Kiruna. Sanna Strandgard finds her brother's mutilated body in
'Source of All Our Struggles Church', a revivalist church he helped to create. When Sanna is identified as a suspect, she calls her friend Rebecka Martensson, a tax attorney in Stockholm.
Rebecka left Kiruna years before under a cloud and dreads having to face her past. To save her
friend, Sanna, Rebecka returns and works through a conspiracy of deceit to confront a devious killer. The winter landscape, the aurora borealis, the village and it's people come alive in this intriguing mystery.