Journey to the Center of the Earth with My Forbidden Stepbrother

Cora steals a map, meets pilot stepbrother Jack, flies into Arctic volcano.

Days before her mother weds magnate Magnus, doctoral candidate Cora breaks into his stronghold to reclaim the sunstone map her missing father died chasing. She hides in the drilling ship's cockpit and lands in the lap of Jack, who appears at the ceremony as best man and Magnus's son. Now step-siblings, they must pilot the expedition into the volcanic crater together, hunting the mineral fortune Magnus claims as his birthright while navigating their sudden, forbidden connection.

• Adventure
• Taboo
• Action

1. Cora's father vanished searching for sunstone.
2. Cora steals map from stepfather Magnus.
3. Jack is Magnus's son and expedition pilot.

Readers craving high-stakes Arctic exploration mixed with forbidden family tension will find the premise sharp.