for days at a time. You don't know where he's gone or who he's with. And you realise - if you looked back - you'd say to yourself: Don't let him in ... Don't miss the new read-in-one-sitting Lisa Jewell novel; a cautionary story that could happen to you ... 'Nobody - nobody - does this better than Jewell. She peoples her ingenious plots with true-to-life characters. Don't Let Him In is the best book of Lisa Jewell's career.' - A.J. Finn. 'A masterclass in suspense … Lisa Jewell expertly draws together the strands of deceit with increasing menace, presenting us with one of the most chilling, unsettling villains I've encountered in a long time.' - Alex Michaelides.