The Departure (Animorphs, vol. 19)
The Decision (Animorphs, No. 18)
The Underground (Animorphs #17)
The Threat (Animorphs, No. 21)
Solution (Animorphs #22)
The Warning (Animorphs #16)
The Escape (Animorphs #15)
The Pretender (Animorphs #23)
The Reaction (Animorphs, No 12)