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