Caller Unknown - Gillian McAllister (Paperback) 24-09-2026

They Took Her Daughter. Now She'll Break Every Rule to Get Her Back. From the Sunday Times bestselling author of Famous Last Words and Wrong Place Wrong Time comes an unmissable new thriller - available for pre-order in paperback now! A READ WITH JENNA BOOK CLUB PICK 'Unputdownable' FREIDA MCFADDEN 'The best of the best' LISA JEWELL 'Masterful' ANDREA MARA 'Tense, twisty, and an emotional gut punch' KARIN SLAUGHTER 'Absolutely superb' CLAIRE DOUGLAS -- Your last words to your teenage daughter were, 'Sleep well'. By the next morning, she has vanished. Her bed not slept in, an unfamiliar phone in her place. Before you have time to catch your breath, it rings. CALLER UNKNOWN Someone has taken your daughter. They don't tell you where. They don't tell you why. Only that you must do what they say to ever see her again. Do not contact the police. If you do, they will kill her. You have a choice: do you risk contacting the authorities anyway? Or, do you take the law - and your daughter's life - into your own hands? -- PRAISE FOR GILLIAN MCALLISTER 'A first-class thriller' SUNDAY TIMES 'A writer at the top of her game' CLAIRE DOUGLAS 'McAllister is an expert in taut, twisty thrillers' i PAPER 'A brilliant, brilliant book' JODI PICOULT 'What an incredible, gripping, thrilling read' LISA JEWELL 'Utterly effing magnificent. I could NOT put it down!' MARIAN KEYES 'I am totally in awe. This is one story I will not forget' HEIDI PERKS 'This is bravura novel-writing' IAN RANKIN