THE SUNDAY TIMES DOUBLE BESTSELLER Part whodunnit, part coming of age, this is a gripping debut about the secrets behind every door RACHEL JOYCE A very special book NATHAN FILER An utter delight SARAH WINMAN A delight PAULA HAWKINS A treasure chest of a novel JULIE COHEN One of the standout novels of the year HANNAH BECKERMAN I didn t want the book to end CARYS BRAY An excellent debut JAMES HANNAH Grace and Tilly are my new heroes KATE HAMER A wonderful debut JILL MANSELL A modern classic in the making SARAH HILARY A stunning debut KATIE FFORDE Phenomenal MIRANDA DICKINSON England,1976. Mrs Creasy is missing and The Avenue is alive with whispers. As the summer shimmers endlessly on, ten-year-olds Grace and Tilly decide to take matters into their own hands. And as the cul-de-sac starts giving up its secrets, the amateur detectives will find much more than they imagined...