- Series: The Guardian Cycle Series Record # 7431
- Webpages: Wikipedia-EN
- The Guardian Cycle
- 1 The Dark Moon (2000) by Julia Smith and Mark Smith [only as by Julia Gray]
- 2 The Jasper Forest (2001) by Julia Smith and Mark Smith [only as by Julia Gray]
- 3 The Crystal Desert (2001) by Julia Smith and Mark Smith [only as by Julia Gray]
- 4 The Red Glacier (2002) by Julia Smith and Mark Smith [only as by Julia Gray]
- 5 Alyssa's Ring (2002) by Julia Smith and Mark Smith [only as by Julia Gray]