From the pen of a master — the #1 bestselling, Booker Prize–winning author of Atonement — comes an astonishing novel that captures the fine balance of happiness and the unforeseen threats that can destroy it. A brilliant, thrilling page-turner that will keep readers on the edge of their seats.Saturday is a masterful novel set within a single day in February 2003. Henry Perowne is a contented man — a successful neurosurgeon, happily married to a newspaper lawyer, and enjoying