From the Orange Prize-winning author of We Need to Talk About KevinAllergic to group activities of any kind, all her life Serenata has run, swum, and cycled - on her lonesome. But now that she's hit 60, all that physical activity has destroyed her knees. As she contemplates surgery with dread, her previously sedentary husband Remington, recently and ignominiously redundant, chooses this precise moment to discover exercise.Which should be good for his health, right? Yet as he joins the cult of f ...