The Weakness (Animorphs 40)
K. A. Applegate
The Unknown (Animorphs 15)
The Ultimate (Animorphs 54)
The Test (Animorphs 47)
The Sacrifice
The Revelation (Animorphs 49)
The Return (Animorphs 52)
The Resistance (Animorphs 51)
The Proposal (Animorphs 38)
The Prophecy (Animorphs 37)
The Predator
The Mutation (Animorphs 39)
The Journey (Animorphs 46)
The Illusion (Animorphs 36)
The Hidden (Animorphs 42)
The Familiar (Animorphs 45)
The Experiment (Animorphs 30)
The Encounter
The Diversion (Animorphs 53)
The Attack (Animorphs 28)
The Arrival (Animorphs 41)
The Visitor