If you are looking for a funny, breezy, sweet read, definitely check out The Rosie Project by Australian writer Graeme Simsion.
The book's protagonist is a professor of genetics who likely has Asperger's syndrome. The professor, Don Tillman, has decided to take a scientific approach to finding, at long last, a wife. While pursuing this, The Wife Project, he meets Rosie Jarman. Rosie is not at all what Don has defined as the perfect life partner. But he likes her and decides to use his scientific skills and resources to help Rosie find her biological father. Quirky adventures follow for Don and Rosie. And for Don, it seems that just when you stop trying to find love, love appears.
This is a creative, up-beat, and enjoyable novel. Check out The Rosie Project.