Placement
- contained in Arthur C. Clarke Audiobook Collectionomnibus
- contained in From the Ocean, from the Starsomnibus
- contained in More Than One Universe: The Collected Stories of Arthur C. Clarkecollection
- contained in Of Time and Starscollection
- contained in The Collected Stories of Arthur C. Clarkecollection
- contained in The Collected Stories: Volume Threecollection
- contained in The Nine Billion Names of Godcollection
- contained in The Other Side of the Skycollection
- contained in Time to Comeanthology