From the bestselling author behind the addictive, EMMY and GOLDEN GLOBE-winning HBO sensation BIG LITTLE LIES comes a cocktail of family, friendship, and the fear of what could have been . . . 'Perfect summer read' REESE WITHERSPOON______________Six responsible adults.One day that changes everything. 'This is a story which begins with a barbecue in the suburbs . . .'In just one evening, a lifelong friendship will be in tatters, a marriage on the rocks and an innocent bystander dead. In just one evening, six lives will change for ever. ______________'Filled with so many twists and turns.Keeps you guessing until the very end. Perfect summer read' Reese Witherspoon'You must clear a reading slot for this novel . . . Truly Madly Guilty is as brilliantly accomplished as it is dark, twisty and compulsive.No wonder Reese Witherspoon is such a huge Moriarty fan' Heat'Straight-from-life characters, knife-sharp insight and almost unbearable suspense will have you racing through it' Good Housekeeping'A riveting drama packed with suspense and secrets' Woman & Home