Enter the realm of the world's greatest fictional detective and use your powers of deduction to solve these new puzzling mysteries. Sherlock Holmes: The Murder Files is a specially commissioned collection of narrative murder cases from Dr John Watson's case notes that feature all of the twists and turns of a Holmes' case - but now it is up to you to create your own mind palace and solve them.

There are 10 murder cases to be cracked, each of which requires the reader to unravel the clues using logic and powers of perception.

Can you unlock the secrets of each challenge?