Placement
- contained in Audiobook Collectionomnibus
- contained in Chasing Shadows: Visions of Our Coming Transparent Worldanthology
- contained in Dark Sins, Dark Dreams: Crime in Science Fictionanthology
- contained in Earth's Other Shadowcollection
- contained in First-Person Singularitiescollection
- contained in Needle in a Timestackcollection
- contained in Overruled!anthology
- contained in Phases of the Mooncollection
- contained in Ringing the Changescollection
- contained in Robert Silverberg Reads "To See the Invisible Man" and "Passengers"collection
- contained in SF: Authors' Choice 2anthology
- contained in The Best of Robert Silverbergcollection
- contained in The Best of Robert Silverberg: Stories of Six Decadescollection
- contained in To the Dark Star: 1962-69collection