The Warning (Animorphs #16)

The Underground (Animorphs #17)

The Decision (Animorphs #18)

The Unknown (Animorphs #14)

The Escape (Animorphs #15)

The Departure (Animorphs #19)

The Discovery (Animorphs #20)

The Reaction (Animorphs #12)

The Forgotten (Animorphs #11)

The Threat (Animorphs #21)

The Solution (Animorphs #22)

The Suspicion (Animorphs #24)

The Extreme (Animorphs #25)

The Attack (Animorphs #26)

The Reunion (Animorphs #30)

The Exposed (Animorphs #27)

The Sickness (Animorphs #29)

The Experiment (Animorphs #28)