| Original Language | English |
| First published | 1981-03 |
| Notes | Worlds is a science fiction novel by Joe Haldeman, first published in 1981. It is the first book in the Worlds series. |
Editions 4
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Worlds | Orion Publishing Group | Paperback | English | UK | 1955 | |
 | Worlds | Futura Publications | Mass-Market Paperback | English | Great Britain | 1982 | |
 | Mundos | Ultramar Editores, S.A. | Soft cover | Spanish | Spain | 1986 | |
 | Mundos | Paperback | Spanish |