16 stories are collected that explore the scope of invisibility in classic science fiction and fantasy. Stories range from the humorous to the horrific, with explanations for invisibility ranging from a variety of scientific miracles to natural enigmas.
- The Ring of Gyges (300 BC) from Plato's Republic
- What Was It? A Mystery (1859) Fitz-James O'Brien
- Manmat’ha (1876) Charles DeKay
- The Crystal Man (1881) Edward Page Mitchell
- The Horla (1887) Guy de Maupassant
- My Invisible Friend (1897) Katharine Kip
- The Invisible Man (1897) H. G. Wells
- The Damned Thing (1898) Ambrose Bierce
- A Human Chameleon (1900) Newton Newkirk
- My Crank Client (1900) Warren B. Hutchinson
- The Whereabouts of Mr. Moses Bailey (1901) James B. Nevin
- The Gift of Fernseed (1902) Sir Harry Perry Robinson
- The Shadow and the Flash (1903) Jack London
- The Face of Air (1912) George L. Knapp
- From the Darkness and the Depths (1913) Morgan Robertson
- Sister Hannah (1926) Charles Loring Jackson