Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Spark | 2013 | Nicole Helm | N/A |
| 2 | Summer Stalker | 2021 | Nicole Helm | Buy |
| 3 | Fusion | 2013 | Nicole Helm | N/A |
| 4 | Shot Through the Heart | 2021 | Nicole Helm | Buy |
| 5 | Flare | 2014 | Nicole Helm | N/A |
| 6 | Mountainside Murder | 2021 | Nicole Helm | Buy |
| 7 | Cowboy in the Crosshairs | 2021 | Nicole Helm | Buy |
| 8 | Dodging Bullets in Blue Valley | 2022 | Nicole Helm | Buy |
| 9 | Undercover Rescue | 2022 | Nicole Helm | Buy |
The North Star Novel series is a nine-book romantic suspense sequence by Nicole Helm, published between 2013 and 2022. The series began with Spark (2013) and Fusion (2013) before expanding with Summer Stalker, Shot Through the Heart, and Mountainside Murder (all 2021). Cowboy in the Crosshairs (2021), Dodging Bullets in Blue Valley (2022), and Undercover Rescue (2022) continued the action.
The series centers on the North Star organization, with each book following a different operative through danger and romance. The mix of covert missions and personal relationships keeps the series moving across its nine installments.