Mysteries come in all sorts, and this collection of seven short stories covers many of them. From the classic detective Sherlock Holmes to the supernatural-refuting Detective Bell, from invisible creatures invading Paris to true crime investigations.

The stories included are:

• 'The Adventure of the Bruce Partington Plans'
• 'The Woman in the Case'
• 'The Mystery of the Felwyn Tunnel'
• 'The Purloined Letter'
• 'The Adventure of the Cardboard Box'
• 'The Eight Mile Lock'
• 'The Horla'