BOOK 1 OF HEARTS AND HEIRS ROYAL BILLIONAIRE ROMANCE, A CLOSED DOOR ROMANCE SERIES. One princess. Two worlds colliding. Three days to save a crown. Kyle Carter—brilliant doctor and the newly discovered son of energy titan Grant Harrington—never planned on royal politics. But when the woman he can’t forget appears with danger at her heels, keeping his distance stops being an option. But that’s only where their problems start. Natasha of Belvaria has been hiding in the U.S., dodging a coup that would steal her birthright. To stop it, she needs Kyle to attempt the impossible in a secret palace lab: bring her father back before the kingdom declares him dead. As a seventy‑two‑hour deadline ticks down and a ruthless “marriage clause” threatens to hand the crown to the wrong man, Kyle pulls in the only team he trusts—Alex Stone and Ava Collins—plunging them all into locked‑door labs, palace intrigue, and a fake‑to‑real marriage that might save a nation…and cost two guarded hearts. Can Kyle and Natasha outwit a coup, resurrect a king, and turn convenience into forever—or will the crown’s secrets destroy their chance at love?Perfect for fans of whirlwind romances with plenty of suspense!
