Murder Hypothesis

The 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.&quote;A tense and satisfying cosy murder mystery, with an added really fun STEM element in the form of graphs, charts and Venn diagrams to illustrate the investigation - I loved going through all the workings!&quote; Ravena Guron, author of This Book KillsHow 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.&quote;An immaculately plotted, clever book with a great ending!&quote; Sue Wallman, author of Lying About Last Summer