The Rosie Project by Graeme Simsion

The Rosie Project follows Don Tillman, a brilliant but socially awkward genetics professor who creates a strict questionnaire to find a perfect wife. His plans are upended when he meets Rosie, a free-spirited woman searching for her biological father. As Don helps Rosie with her quest, he discovers that love and life rarely follow rigid rules. The novel is a heartwarming, humorous exploration of relationships, self-discovery, and embracing the unexpected.