The Final Problem
The quarter-of-a-million-copy bestselling murder mystery inspired by Sherlock Holmes and Agatha Christie
- Format
- Paperback
- Category
- Fiction
- Publisher
- Allen & Unwin
- Publish Date
- February 2026
The international bestseller that has sold over a quarter of a million copies with an upcoming Netflix adaptation, a literary locked-room mystery for fans of Anthony Horowitz.
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