Previously published as The Mail Order Billionaire with new content. A billionaire prince. A love psychologist. A convenient marriage that’s inconvenient for everyone else. Dr. Deanna Pearson can predict if a marriage is going to last forever. When she’s challenged to get married herself, the once-divorced doctor decides her full-proof matching algorithm can finally bring her happiness. Especially when it comes in the form of a handsome billionaire prince... morePreviously published as The Mail Order Billionaire with new content. A billionaire prince. A love psychologist. A convenient marriage that’s inconvenient for everyone else. Dr. Deanna Pearson can predict if a marriage is going to last forever. When she’s challenged to get married herself, the once-divorced doctor decides her full-proof matching algorithm can finally bring her happiness. Especially when it comes in the form of a handsome billionaire prince. As a spare heir, business mogul Prince Maxim Malenkov thought he had all the freedom in the world. Until his brother, the king, ordered him home to serve his country. His first duty will be to marry a foreign princess. In an act of final rebellion, Maxim marries the lovely Dr. Pearson, who guarantees their marriage will succeed. Trust issues shadow their union from the start. And when palace intrigue threatens Maxim's country and Deanna's reputation, will their budding romance last? Her Spare Heir Billionaire is a standalone novel in the Billionaire Boss series. Previously published as The Mail Order Billionaire with new content. less