Paperback edition of this highly anticipated sequel to top 3 bestseller "The Rosie Project". Geneticist Don Tillman has survived 10 months' of marriage with 'the world's most incompatible woman', Rosie, when he must deal with the arrival of his best friend and serial philanderer, Gene, who takes up residence on his sofa. Then, Rosie drops a bombshell and Don must face her hormonally induced irrational behaviour as he prepares for the biggest challenge of his life - on top of dodging deportation, prosecution and professional disgrace. Not final jacket image.