1. Acorna: The Unicorn Girl (1997)
2. Acorna's Quest (1998)
3. Acorna's People (1999)
4. Acorna's World (2000)
5. Acorna's Search (2002)
6. Acorna's Rebels (2003)
7. Acorna's Triumph (2004)
8. First Warning: Acorna's Children (2005)
9. Second Wave (2006)
10. Third Watch: Acorna's Children (2007)