| Original Language | English |
| First published | 1950-10 |
| Notes | Initially was published as series "Time Quarry" and in 1951 was published as "Time and Again". |
Editions 2
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Клиффорд Саймак | Подиум | Hardback | Russian | Moscow | 1991 | |
 | Порождения разума | Селена | Hardback | Russian | Chelyabinsk | 1993 |
Added by nickist420