Pubblicati in Italia con i titoli, L’Amore è un difetto meraviglioso e L’amore è un progetto pericolo. Genio della genetica Don Tillman crea un quiz per trovare una donna con i stessi suoi gusti e i suoi stessi valori, insomma una donna perfetta per lui. Quella donna non è certo Rosie, studentessa/barista, disorganizzata e senza uno scopo nella vita. O forse lo è?

The protagonist of these two novels is Don Tillman a brilliant professor of genetics with social inaptitude (think of Sheldon from The Big Bang Theory). In Don’s life everything is scheduled from what he has to eat to things he has to do and he follows his schedule to the letter, never going astray. He seems to have everything he wants in his life but one thing: a woman. But he knows it won’t be easy to find a suitable woman for him, so he creates a quiz to present to women before considering dating them.

It doesn’t seem there are many women who would be able to put up with him until one day, Rosie stumbles into his office. She is a young student who is the complete opposite of what Don is looking for but for some reason he seems to be drawn to her so much so that he also starts to ignore his well-drawn schedule. As Don spends more and more time with Rosie, even going with her to a trip to New York, he starts to think that after all he doesn’t need a quiz to find a woman.
In the sequel, The Rosie Effect, Don and Rosie are happily married, living in New York, but while Don thinks that their life is perfect as it is, Rosie wants more, namely a child, but Don doesn’t seem too thrilled at the idea of starting a family. Things get worse when Rosie reveals she is pregnant.

These are two of the funniest books I have ever read. Don is hilarious in his social difficulties. He is logic and takes everything to the letter and doesn’t understand when he is being impolite or people are sarcastic. Rosie is the complete opposite. She lets emotions run her life and she is impulsive and disorganized.

Smart, sharp, and hilarious this is one of those book you can’t help liking and laughing about, and there is talk of a movie being made which I am really hoping for.