***Previously published as BURNT PAPER SKY*** THE NEW YORK TIMES BESTSELLER In her enthralling debut, Gilly Macmillan explores a mother's search for her missing son, weaving a taut psychological thriller as gripping and skilful as The Girl on the Train and I Let You Go. Will also appeal to fans of The Missing. Rachel Jenner turned her back for a moment. Now her eight-year-old son Ben is missing. But what really happened that fateful afternoon? Caught between her personal tragedy and a public who have turned against her, there is nobody left who Rachel can trust. But can the nation trust Rachel? The clock is ticking to find Ben alive. WHOSE SIDE ARE YOU ON? Praise for WHAT SHE KNEW: 'What an amazing, gripping, beautifully written debut. Kept me up late into the night (and scared the life out of me)' Liane Moriarty, bestselling author of The Husband's Secret 'Every parent's nightmare, handled with intelligence and sensitivity, the novel is also deceptively clever. I found myself racing through to find out what happened' Rosamund Lupton, international bestselling author of Sister 'A nail-biting, sleep-depriving, brilliant read' Saskia Sarginson, Richard and Judy bestselling author ofThe Twins 'Heart-in-the-mouth excitement from the start of this electrifyingly good debut…an absolute firecracker of a thriller that convinces and captivates from the word go. A must read' Sunday Mirror 'One of the brightest debuts I have read this year' Daily Mail