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The Murder Hypothesis
Paperback
Publisher Price: $15.99
ISBN13: 9780008812249
Publisher: Harper Fire
Published: Aug 11 2026
Pages: 480
Weight: 0.79
Height: 1.30 Width: 5.10 Depth: 7.80
Language: English
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.
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! Ravena Guron, author of This Book Kills
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.
An immaculately plotted, clever book with a great ending! Sue Wallman, author of Lying About Last Summer
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