An Alien Affair
| Series | Mission Earth |
| Copyright Holder | L. Ron Hubbard Library |
| Copyright Holder (Cover/Jacket Art) | L. Ron Hubbard Library |
| Cover Art by | Greg Winter |
| Publisher | New Era Publications U.K. Ltd |
| Printed by | New Era Printing Co.Ltd. |
| Format | Paperback |
| Language | English |
| Location | UK |
| Copyright | 1986 |
| Pages / Font | 323 pages |
| ISBN | 1-870451-10-4 |
| Barcode | 9 781870 451109 |
| Price | £3.95 UK |
| Price | $9.99 Australia |
| Volume Number | Volume 4 |
| Notes | The title is embossed in gold lettering. |
Added by Supernaut1970