- Series: Alternamorphs Series Record # 22385
- Sub-series of: Animorphs Universe
- Webpages: Wikipedia-EN
- Alternamorphs
- 1 The First Journey (1999) by K. A. Applegate and Tonya Alicia Martin [only as by K. A. Applegate]
- 2 The Next Passage (2000) by K. A. Applegate and Emily Costello [only as by K. A. Applegate]