Separated from Espen and the trolls, Sonja must forge a path through the wondrous landscape of Jotundalen with the troubled and magical Lotta. As the two new friends trek into the mountains to find Lotta's reclusive people, Sonja will discover her own family mystery that will lead them deep...

Separated from Espen and the trolls, Sonja must forge a path through the wondrous landscape of Jotundalen with the troubled and magical Lotta. As the two new friends trek into the mountains to find Lotta's reclusive people, Sonja will discover her own family mystery that will lead them deep into the darkest and most dangerous corners of the forest. Meanwhile, Espen, desperate to find Sonja, teams up with an unlikely new ally who may lead him to unexpected answers.

This volume includes Nordlys: Kråkesøstrene and Nordlys: Trollriket, originally published in Norwegian.