Der Rosie-Effekt

"The Wife Project is complete, and Don and Rosie are happily married and living in New York. But they're about to face a new challenge because--surprise--Rosie is pregnant. Don sets about learning the protocols of becoming a father, but his unusual research style gets him into trouble with the law. Fortunately his best friend Gene is on hand to offer advice: he's left Claudia and moved in with Don...