| Anne McCaffrey | ||
| Acorna Series | ||
| 1 | Acorna: The Unicorn Girl | with Margaret Ball |
| 2 | Acorna's Quest | with Margaret Ball |
| 3 | Acorna's People | with Elizabeth Ann Scarborough |
| 4 | Acorna's World | with Elizabeth Ann Scarborough |
| 5 | Acorna's Search | with Elizabeth Ann Scarborough |
| 6 | Acorna's Rebels | with Elizabeth Ann Scarborough |
| 7 | Acorna's Triumph | with Elizabeth Ann Scarborough |
| Acorna's Children | with Elizabeth Ann Scarborough | |
| 1 | First Warning | |
| 2 | Second Wave | |
| 3 | Third Watch |