by Wishart, Sarah | Interest age: from c 13 years Published 07/11/2024 by HarperCollins Publishers (Harper Fire) in the United Kingdom Paperback | 480 pages130 x 198 x 38mm | 416gThe gripping new YA thriller from the author of FOUR GOOD LIARS, and the perfect read for fans of A GOOD GIRL’S GUIDE TO MURDER. How do you catch a murderer without knowing who the victim is? Science-obsessed Grace’s fresh start with her dad in Devon is derailed when the smart speaker in their new house comes alive at midnight and says: I’m going to murder you. And after Grace begins to investigate, she uncovers four mysterious deaths – all supposedly accidents – that are linked to the device. But only Grace knows that one of those deaths was actually a murder – and now she must identify both the victim and the killer, using the methodology of a chemistry experiment … before she ends up dead herself. The gripping new YA thriller from the author of FOUR GOOD LIARS