Cover art
| Title | Type | Year | |
|---|---|---|---|
|
|
Deadly Litter, Ballantine, 1981 | Edition | 1981 |
|
Deadly Litter, Del Rey / Ballantine, 1981 | Edition | 1981 |
|
Tomorrow Is Too Far, Del Rey / Ballantine, 1981 | Edition | 1981 |
|
Tomorrow Is Too Far, Del Rey / Ballantine, 1981 | Edition | 1981 |