"Two little girls are missing. Both are seven years old and have been missing for at least sixteen hours." Calli Clark is a dreamer. A sweet, gentle girl, Callie suffers from selective mutism, brought on by a tragedy she experienced as a toddler. Her mother Antonia tries her best to help, but is trapped in a marriage to a violent husband. Petra Gregory is Calli's best friend, her soul mate and her voice. But neither Petra nor Calli have been heard from since their disappearance was discovered. Now Calli and Petra's families are bound by the question of what has happened to their children. As support turns to suspicion, it seems the answers lie trapped in the silence of unspoken secrets. Praise for Heather Gudenkauf 'Set to become a bookclub staple' -The Guardian 'This will have you gripped until the last page' - Closer "Beautifully written, compassionately told, and relentlessly suspenseful." -Diane Chamberlain 'Deeply moving and lyrical' -Company 'A memorable read' - Sunday Express 'Totally gripping' - Marie Claire 'Fans of Jodi Picoult will devour this' --Red 'Gudenkauf's prose is searingly raw... Thrilling and emotionally tender, this novel, with its driving pace,will appeal to fans of...Jodi Picoult.' -Booklist 'This gripping novel is moving and thought-provoking' -Heat 'Emotionally-charged' -My Weekly