The Rosie Project (The Rosie Project Series)

Love isn't an exact science - but no one told Don Tillman.

A thirty-nine-year-old geneticist, Don's never had a second date. So he devises the Wife Project, a scientific test to find the perfect partner.

Enter Rosie - 'the world's most incompatible woman' - throwing Don's safe, ordered life into chaos.

But what is this unsettling, alien emotion he's feeling? . . .