Seven strange stories of intriguing optical illusions.
- The Diamond Lens by Fitz James O'Brien
- The Devil's Spectacles by Wilkie Collins
- The Secret of the Smoked Spectacles by William Le Queux
- My Black Mirror by Wilkie Collins
- The Man who was Blind by Edwin Pugh
- A Coincidence by A. J. Alan
- Titbottom’s Spectacles by George William Curtis