Time Dogs 1 Balto and the Race Against Time by Helen Moss Balto and the Race Against Time by Helen Moss (Henry Holt, June 2019).
Time Dogs 2 Seaman and the Great Northern Adventure by Helen Moss Seaman and the Great Northern Adventure by Helen Moss (Henry Holt, June 2019).
Time Dogs 3 Barry and the Great Mountain Rescue by Helen Moss Barry and the Great Mountain Rescue by Helen Moss (Henry Holt, March 2020).