Scientist Don Tillman, the protagonist of debut author Simsion's novel, has determined that it's time for him to get married, so he sets out to find a marriage partner, using a strict set of requirements. When he meets a woman named Rosie, she meets none of them, but sparks fly when the two set out on a quest to find Rosie's father. "He's this guy who does everything through data," Nelson said of Don. "She's the exact wrong person, so of course she's perfect for him."
